500 lines
15 KiB
C#
500 lines
15 KiB
C#
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using System;
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using System.Data;
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using System.Collections.Generic;
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using CYQ.Data.SQL;
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using System.ComponentModel;
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using System.Data.SqlTypes;
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using System.Collections;
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using CYQ.Data.Tool;
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namespace CYQ.Data.Table
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{
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/// <summary>
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/// <20><>Ԫ<EFBFBD>ṹ<EFBFBD><E1B9B9>ֵ
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/// </summary>
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internal partial class MCellValue
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{
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internal bool IsNull = true;
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/// <summary>
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/// ״̬<D7B4>ı<EFBFBD>:0;δ<>ģ<EFBFBD><C4A3><EFBFBD><DEB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><CDB8>£<EFBFBD>,1;<3B><><EFBFBD>и<EFBFBD>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD>[<5B><>ֵ<EFBFBD><D6B5>ͬ](<28><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>),2:<3A><>ֵ,ֵ<><D6B5>ͬ<EFBFBD>ı<EFBFBD><C4B1>ˣ<EFBFBD><CBA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><CDB8>£<EFBFBD>
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/// </summary>
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internal int State = 0;
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/// <summary>
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/// <20>Ѿ<EFBFBD>Fix()<29><><EFBFBD><EFBFBD>ת<EFBFBD><D7AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><D6B5>
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/// </summary>
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internal object Value = null;
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/// <summary>
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/// δ<><CEB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ת<EFBFBD><D7AA>֮ǰ<D6AE><C7B0>ֵ
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/// </summary>
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internal object SourceValue = null;
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internal string StringValue = null;
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/// <summary>
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/// <20><>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA>
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/// </summary>
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public void Clear()
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{
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SourceValue = null;
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Value = null;
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State = 0;
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IsNull = true;
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StringValue = null;
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}
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internal void LoadValue(MCellValue mValue, bool isWithState)
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{
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SourceValue = mValue.SourceValue;
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Value = mValue.Value;
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IsNull = mValue.IsNull;
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StringValue = mValue.StringValue;
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if (isWithState)
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{
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State = mValue.State;
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}
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}
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}
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/// <summary>
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/// <20><>Ԫ<EFBFBD><D4AA>
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/// </summary>
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public partial class MDataCell
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{
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private MCellValue _CellValue;
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internal MCellValue CellValue
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{
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get
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{
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if (_CellValue == null)
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{
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_CellValue = new MCellValue();
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}
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else// if(isNewValue && !IsNull)
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{
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// CheckNewValue();//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱֵ<CAB1><D6B5><EFBFBD><EFBFBD><EFBFBD>⡣
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}
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return _CellValue;
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}
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}
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private MCellStruct _CellStruct;
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#region <EFBFBD><EFBFBD><EFBFBD>캯<EFBFBD><EFBFBD>
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/// <summary>
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/// ԭ<><D4AD>ģʽ<C4A3><CABD>Prototype Method<6F><64>
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/// </summary>
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/// <param name="dataStruct"></param>
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internal MDataCell(ref MCellStruct dataStruct)
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{
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Init(dataStruct, null);
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}
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internal MDataCell(ref MCellStruct dataStruct, object value)
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{
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Init(dataStruct, value);
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}
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#endregion
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#region <EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD>
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private void Init(MCellStruct dataStruct, object value)
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{
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_CellStruct = dataStruct;
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if (value != null)
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{
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_CellValue = new MCellValue();
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Value = value;
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}
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}
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#endregion
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#region <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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/// <summary>
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/// <20>ַ<EFBFBD><D6B7><EFBFBD>ֵ
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/// </summary>
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public string StringValue
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{
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get
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{
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return CellValue.StringValue;
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}
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}
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private bool isNewValue = false;
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private bool isAllowChangeState = true;
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/// <summary>
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/// ֵ
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/// </summary>
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public object Value
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{
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get
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{
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//ֵ<>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>
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CheckNewValue();
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return CellValue.Value;
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}
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set
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{
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isAllowChangeState = true;
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CellValue.StringValue = Convert.ToString(value);
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CellValue.SourceValue = value;
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NullCheck();//<2F><><EFBFBD><EFBFBD>Null<6C><6C><EFBFBD><EFBFBD>
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}
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}
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/// <summary>
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/// <20>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD>Jsonת<6E><D7AA>
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/// </summary>
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internal bool IsJsonIgnore
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{
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get
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{
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return _CellStruct.IsJsonIgnore;
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}
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}
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/// <summary>
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/// <20><>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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/// </summary>
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private void CheckNewValue()
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{
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if (isNewValue && !IsNull)
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{
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FixValue();
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}
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}
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private void NullCheck()
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{
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bool valueIsNull = CellValue.SourceValue == null || CellValue.SourceValue == DBNull.Value;
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if (!valueIsNull && CellValue.StringValue.Length == 0 && DataType.GetGroup(_CellStruct.SqlType) > 0)
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{
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valueIsNull = true;
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}
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if (valueIsNull)
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{
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if (CellValue.IsNull)
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{
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CellValue.State = (CellValue.SourceValue == DBNull.Value) ? 2 : 1;
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}
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else
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{
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if (isAllowChangeState)
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{
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CellValue.State = 2;
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}
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CellValue.Value = null;
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CellValue.IsNull = true;
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}
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isAllowChangeState = false;
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}
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else
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{
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CellValue.IsNull = false;
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isNewValue = true;
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isAllowChangeState = true;
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}
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}
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internal void FixValue()
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{
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object value = CellValue.SourceValue;
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DataGroupType group = DataType.GetGroup(_CellStruct.SqlType);
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if (_CellStruct.SqlType != SqlDbType.Variant)
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{
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value = ChangeValue(value, _CellStruct.ValueType, group);
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if (value == null)
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{
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return;
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}
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}
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if (isAllowChangeState)
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{
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if (CellValue.Value == null || CellValue.Value == DBNull.Value)
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{
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CellValue.State = 2;
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}
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else if (CellValue.Value.Equals(value) || (group != DataGroupType.Object && CellValue.Value.ToString() == StringValue))//<2F><><EFBFBD><EFBFBD><EFBFBD>ıȽ<C4B1>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD>==<3D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD>ַ<EFBFBD><D6B7>
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{
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CellValue.State = 1;
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}
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else
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{
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CellValue.State = 2;
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}
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}
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CellValue.Value = value;
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isNewValue = false;
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isAllowChangeState = false;//<2F>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>״̬<D7B4><CCAC>
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}
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/// <summary>
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/// ֵ<><D6B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ת<EFBFBD><D7AA><EFBFBD><EFBFBD>
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/// </summary>
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/// <param name="value">Ҫ<><D2AA>ת<EFBFBD><D7AA><EFBFBD><EFBFBD>ֵ</param>
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/// <param name="convertionType">Ҫת<D2AA><D7AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD></param>
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/// <param name="group"><3E><><EFBFBD>ݿ<EFBFBD><DDBF><EFBFBD><EFBFBD>͵<EFBFBD><CDB5><EFBFBD><EFBFBD><EFBFBD></param>
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/// <returns></returns>
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internal object ChangeValue(object value, Type convertionType, DataGroupType group)
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{
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//ֵ<><D6B5>Ϊnull
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try
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{
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switch (group)
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{
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case DataGroupType.Text:
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if (_CellStruct.SqlType == SqlDbType.Time)//time<6D><65><EFBFBD>͵<EFBFBD><CDB5><EFBFBD><EFBFBD><EFBFBD><E2B4A6><EFBFBD><EFBFBD>
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{
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string[] items = StringValue.Split(' ');
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if (items.Length > 1)
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{
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CellValue.StringValue = items[1];
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}
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}
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value = StringValue;
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break;
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default:
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value = ConvertTool.ChangeType(value, convertionType);
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//if (convertionType.Name.EndsWith("[]"))
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//{
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// value = Convert.FromBase64String(StringValue);
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// CellValue.StringValue = "System.Byte[]";
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//}
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//else
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//{
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//}
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break;
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}
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}
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catch (Exception err)
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{
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CellValue.Value = null;
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CellValue.IsNull = true;
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CellValue.StringValue = null;
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isNewValue = false;
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string msg = string.Format("<22><>MDataCell.ChangeValue<75><65>ChangeType Error<6F><72>ColumnName<6D><65>{0}<7D><>({1}) <20><> Value<75><65><EFBFBD><EFBFBD>{2}<7D><>\r\n", _CellStruct.ColumnName, _CellStruct.ValueType.FullName, StringValue);
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Log.Write(msg, LogType.Error);
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return null;
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}
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return value;
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}
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internal T Get<T>()
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{
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if (CellValue.IsNull)
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{
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return default(T);
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}
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return ConvertTool.ChangeType<T>(Value);
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//if (isNewValue)
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//{
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// Type t = typeof(T);
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// return (T)ChangeValue(CellValue.SourceValue, t, DataType.GetGroup(DataType.GetSqlType(t)));
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//}
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// return (T)Value;
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}
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/// <summary>
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/// ֵ<>Ƿ<EFBFBD>ΪNullֵ[ֻ<><D6BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>]
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/// </summary>
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public bool IsNull
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{
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get
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{
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return CellValue.IsNull;
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}
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internal set
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{
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CellValue.IsNull = value;
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}
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}
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/// <summary>
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/// ֵ<>Ƿ<EFBFBD>ΪNull<6C><6C>Ϊ<EFBFBD><CEAA>[ֻ<><D6BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>]
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/// </summary>
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public bool IsNullOrEmpty
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{
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get
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{
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return CellValue.IsNull || StringValue.Length == 0;
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}
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}
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/// <summary>
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/// <20><><EFBFBD><EFBFBD>[ֻ<><D6BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>]
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/// </summary>
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public string ColumnName
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{
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get
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{
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return _CellStruct.ColumnName;
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}
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}
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/// <summary>
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/// <20><>Ԫ<EFBFBD><D4AA><EFBFBD>Ľṹ
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/// </summary>
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|
public MCellStruct Struct
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{
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get
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{
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return _CellStruct;
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}
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}
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/// <summary>
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|||
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/// Value<75><65>״̬:0;δ<><CEB4>,1;<3B><><EFBFBD>и<EFBFBD>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD>[<5B><>ֵ<EFBFBD><D6B5>ͬ],2:<3A><>ֵ,ֵ<><D6B5>ͬ<EFBFBD>ı<EFBFBD><C4B1><EFBFBD>
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|||
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/// </summary>
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public int State
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|
|
{
|
|||
|
|
get
|
|||
|
|
{
|
|||
|
|
if (isAllowChangeState)
|
|||
|
|
{
|
|||
|
|
CheckNewValue();
|
|||
|
|
}
|
|||
|
|
return CellValue.State;
|
|||
|
|
}
|
|||
|
|
set
|
|||
|
|
{
|
|||
|
|
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD>أ<EFBFBD><D8A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>״̬<D7B4><CCAC><EFBFBD>ڻ<EFBFBD>ȡʱ<C8A1><CAB1><EFBFBD>õ<EFBFBD>״̬<D7B4><CCAC>ʧЧ<CAA7><D0A7>
|
|||
|
|
if (isNewValue) { isAllowChangeState = false; }
|
|||
|
|
CellValue.State = value;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
#endregion
|
|||
|
|
|
|||
|
|
#region <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
|||
|
|
/// <summary>
|
|||
|
|
/// <20><>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA>
|
|||
|
|
/// </summary>
|
|||
|
|
public void Clear()
|
|||
|
|
{
|
|||
|
|
isNewValue = false;
|
|||
|
|
isAllowChangeState = true;
|
|||
|
|
CellValue.Clear();
|
|||
|
|
}
|
|||
|
|
internal void LoadValue(MDataCell cell, bool isWithState)
|
|||
|
|
{
|
|||
|
|
isNewValue = true;
|
|||
|
|
cell.CheckNewValue();//<2F><>ԭ<EFBFBD><D4AD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ״̬<D7B4><CCAC>
|
|||
|
|
CellValue.LoadValue(cell.CellValue, isWithState);
|
|||
|
|
if (isWithState) { isAllowChangeState = false; }
|
|||
|
|
}
|
|||
|
|
/// <summary>
|
|||
|
|
/// <20><><EFBFBD><EFBFBD>Ĭ<EFBFBD><C4AC>ֵ<EFBFBD><D6B5>
|
|||
|
|
/// </summary>
|
|||
|
|
internal void SetDefaultValueToValue()
|
|||
|
|
{
|
|||
|
|
if (Convert.ToString(_CellStruct.DefaultValue).Length > 0)
|
|||
|
|
{
|
|||
|
|
switch (DataType.GetGroup(_CellStruct.SqlType))
|
|||
|
|
{
|
|||
|
|
case DataGroupType.Date:
|
|||
|
|
Value = DateTime.Now;
|
|||
|
|
break;
|
|||
|
|
case DataGroupType.Guid:
|
|||
|
|
if (_CellStruct.DefaultValue.ToString().Length == 36)
|
|||
|
|
{
|
|||
|
|
Value = new Guid(_CellStruct.DefaultValue.ToString());
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
Value = Guid.NewGuid();
|
|||
|
|
}
|
|||
|
|
break;
|
|||
|
|
default:
|
|||
|
|
Value = _CellStruct.DefaultValue;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
/// <summary>
|
|||
|
|
/// <20>ѱ<EFBFBD><D1B1><EFBFBD><EFBFBD>أ<EFBFBD>Ĭ<EFBFBD>Ϸ<EFBFBD><CFB7><EFBFBD>Valueֵ<65><D6B5>
|
|||
|
|
/// </summary>
|
|||
|
|
/// <returns></returns>
|
|||
|
|
public override string ToString()
|
|||
|
|
{
|
|||
|
|
return _CellStruct.SqlType == SqlDbType.Int ? Convert.ToString(Value) : (StringValue ?? "");//int <20>Ǵ<EFBFBD><C7B4><EFBFBD>ö<EFBFBD><C3B6><EFBFBD>жϡ<D0B6>
|
|||
|
|
}
|
|||
|
|
/// <summary>
|
|||
|
|
/// <20>Ƿ<EFBFBD>ֵ<EFBFBD><D6B5>ͬ[<5B><><EFBFBD><EFBFBD>д<EFBFBD>÷<EFBFBD><C3B7><EFBFBD>]
|
|||
|
|
/// </summary>
|
|||
|
|
public override bool Equals(object value)
|
|||
|
|
{
|
|||
|
|
bool valueIsNull = (value == null || value == DBNull.Value);
|
|||
|
|
if (CellValue.IsNull)
|
|||
|
|
{
|
|||
|
|
return valueIsNull;
|
|||
|
|
}
|
|||
|
|
if (valueIsNull)
|
|||
|
|
{
|
|||
|
|
return CellValue.IsNull;
|
|||
|
|
}
|
|||
|
|
return StringValue.ToLower() == Convert.ToString(value).ToLower();
|
|||
|
|
}
|
|||
|
|
/// <summary>
|
|||
|
|
/// ת<><D7AA><EFBFBD><EFBFBD>
|
|||
|
|
/// </summary>
|
|||
|
|
internal MDataRow ToRow()
|
|||
|
|
{
|
|||
|
|
MDataRow row = new MDataRow();
|
|||
|
|
row.Add(this);
|
|||
|
|
return row;
|
|||
|
|
}
|
|||
|
|
#endregion
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
//<2F><>չ<EFBFBD><D5B9><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
|||
|
|
public partial class MDataCell
|
|||
|
|
{
|
|||
|
|
internal string ToXml(bool isConvertNameToLower)
|
|||
|
|
{
|
|||
|
|
string text = StringValue ?? "";
|
|||
|
|
switch (DataType.GetGroup(_CellStruct.SqlType))
|
|||
|
|
{
|
|||
|
|
case DataGroupType.Object:
|
|||
|
|
MDataRow row = null;
|
|||
|
|
MDataTable table = null;
|
|||
|
|
Type t = Value.GetType();
|
|||
|
|
if (!t.FullName.StartsWith("System."))//<2F><>ͨ<EFBFBD><CDA8><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
|
|||
|
|
{
|
|||
|
|
row = new MDataRow(TableSchema.GetColumnByType(t));
|
|||
|
|
row.LoadFrom(Value);
|
|||
|
|
}
|
|||
|
|
else if (Value is IEnumerable)
|
|||
|
|
{
|
|||
|
|
int len = ReflectTool.GetArgumentLength(ref t);
|
|||
|
|
if (len == 1)
|
|||
|
|
{
|
|||
|
|
table = MDataTable.CreateFrom(Value);
|
|||
|
|
}
|
|||
|
|
else if (len == 2)
|
|||
|
|
{
|
|||
|
|
row = MDataRow.CreateFrom(Value);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
if (row != null)
|
|||
|
|
{
|
|||
|
|
text = row.ToXml(isConvertNameToLower);
|
|||
|
|
}
|
|||
|
|
else if (table != null)
|
|||
|
|
{
|
|||
|
|
text = string.Empty;
|
|||
|
|
foreach (MDataRow r in table.Rows)
|
|||
|
|
{
|
|||
|
|
text += r.ToXml(isConvertNameToLower);
|
|||
|
|
}
|
|||
|
|
text += "\r\n ";
|
|||
|
|
}
|
|||
|
|
return string.Format("\r\n <{0}>{1}</{0}>", isConvertNameToLower ? ColumnName.ToLower() : ColumnName, text);
|
|||
|
|
default:
|
|||
|
|
|
|||
|
|
if (text.LastIndexOfAny(new char[] { '<', '>', '&' }) > -1 && !text.StartsWith("<![CDATA["))
|
|||
|
|
{
|
|||
|
|
text = "<![CDATA[" + text.Trim() + "]]>";
|
|||
|
|
}
|
|||
|
|
return string.Format("\r\n <{0}>{1}</{0}>", isConvertNameToLower ? ColumnName.ToLower() : ColumnName, text);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|