70 lines
2.1 KiB
C#
70 lines
2.1 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Data.SqlClient;
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using System.Data;
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namespace CYQ.Data
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{
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internal class MsSqlDal : DbBase
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{
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public MsSqlDal(ConnObject co)
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: base(co)
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{ }
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protected override void AddReturnPara()
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{
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AddParameters("ReturnValue", null, DbType.Int32, 32, ParameterDirection.ReturnValue);
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}
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internal override void AddCustomePara(string paraName, ParaType paraType, object value,string typeName)
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{
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if (Com.Parameters.Contains(paraName))
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{
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return;
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}
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switch (paraType)
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{
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case ParaType.OutPut:
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case ParaType.ReturnValue:
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case ParaType.Structured:
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SqlParameter para = new SqlParameter();
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para.ParameterName = paraName;
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if (paraType == ParaType.Structured)
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{
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para.SqlDbType = SqlDbType.Structured;
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para.TypeName = typeName;
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para.Value = value;
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}
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else if (paraType == ParaType.OutPut)
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{
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para.SqlDbType = SqlDbType.NVarChar;
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para.Size = 2000;
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para.Direction = ParameterDirection.Output;
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}
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else
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{
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para.SqlDbType = SqlDbType.Int;
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para.Direction = ParameterDirection.ReturnValue;
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}
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Com.Parameters.Add(para);
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break;
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}
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}
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protected override bool IsExistsDbName(string dbName)
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{
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try
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{
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IsAllowRecordSql = false;
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bool result = ExeScalar("select 1 from master..sysdatabases where [name]='" + dbName + "'", false) != null;
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IsAllowRecordSql = true;
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return result;
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}
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catch
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{
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return true;
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}
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}
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}
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}
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