System.Data.IDbCommand iCmd = GetCommand())
{
iCmd.Connection = iConn;
using (System.Data.IDbTransaction iDbTran = iConn.BeginTransaction())
{
iCmd.Transaction = iDbTran;
try
{
for (int n = 0; n < SQLStringList.Count; n++)
{
string strsql = SQLStringList[n].ToString();
if (strsql.Trim().Length > 1)
{
iCmd.CommandText = strsql;
iCmd.ExecuteNonQuery();
}
}
iDbTran.Commit();
}
catch (System.Exception E)
{
iDbTran.Rollback();
throw new Exception(E.Message);
}
finally
{
if (iConn.State != ConnectionState.Closed)
{
iConn.Close();
}
}
}
}
}
}
/**/
///
/// 执行带一个存储过程参数的的SQL语句。
///
/// SQL语句
/// 参数内容,比如一个字段是格式复杂的文章，有特殊符号，可以通过这个方式添加
/// 影响的记录数
public int ExecuteSql(string SqlString, string content)
{
using (System.Data.IDbConnection iConn = this.GetConnection())
{
using (System.Data.IDbCommand iCmd = GetCommand(SqlString, iConn))
{
System.Data.IDataParameter myParameter = this.iDbPara("@content", "Text");
myParameter.Value = content;
iCmd.Parameters.Add(myParameter);
iConn.Open();
try
{
int rows = iCmd.ExecuteNonQuery();
return rows;
}
catch (System.Exception e)
{
throw new Exception(e.Message);
}
finally
{
if (iConn.State != ConnectionState.Closed)
{
iConn.Close();
}
}
}
}
}
/**/
///
/// 向数据库里插入图像格式的字段(和上面情况类似的另一种实例)
///
/// SQL语句
/// 图像字节,数据库的字段类型为image的情况
/// 影响的记录数
public int ExecuteSqlInsertImg(string SqlString, byte[] fs)
{
using (System.Data.IDbConnection iConn = this.GetConnection())
{
using (System.Data.IDbCommand iCmd = GetCommand(SqlString, iConn))
{
System.Data.IDataParameter myParameter = this.iDbPara("@content", "Image");
myParameter.Value = fs;
iCmd.Parameters.Add(myParameter);
iConn.Open();
try
{
int rows = iCmd.ExecuteNonQuery();
return rows;
}
catch (System.Exception e)
{
throw new Exception(e.Message);
}
finally
{
if (iConn.State != ConnectionState.Closed)
{
iConn.Close();
}
}
}
}
}
/**/
///
/// 执行一条计算查询结果语句，返回查询结果（object）。
///
/// 计算查询结果语句
/// 查询结果（object）
public object GetSingle(string SqlString)
{
using (System.Data.IDbConnection iConn = GetConnection())
{
using (System.Data.IDbCommand iCmd = GetCommand(SqlString, iConn))
{
iConn.Open();
try
{
object obj = iCmd.ExecuteScalar();
if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value)))
{
return null;
}
else
{
return obj;
}
}
catch (System.Exception e)
{
throw new Exception(e.Message);
}
finally
{
if (iConn.State != ConnectionState.Closed)
{
iConn.Close();
}
}
}
}
}
/**/
///
/// 执行查询语句，返回IDataAdapter
///
/// 查询语句
/// IDataAdapter
public IDataAdapter ExecuteReader(string strSQL)
{
using (System.Data.IDbConnection iConn = this.GetConnection())
{
iConn.Open();
try
{
System.Data.IDataAdapter iAdapter = this.GetAdapater(strSQL, iConn);
return iAdapter;
}
catch (System.Exception e)
{
throw new Exception(e.Message);
}
finally
{
if (iConn.State != ConnectionState.Closed)
{
iConn.Close();
}
}
}
}
/**/
///
/// 执行查询语句，返回DataSet
///
/// 查询语句
/// DataSet
public DataSet Query(string sqlString)
{
using (System.Data.IDbConnection iConn = this.GetConnection())
{
using (System.Data.IDbCommand iCmd = GetCommand(sqlString, iConn))
{
DataSet ds = new DataSet();
iConn.Open();
try
{
System.Data.IDataAdapter iAdapter = this.GetAdapater(sqlString, iConn);
iAdapter.Fill(ds);
return ds;
}
catch (System.Exception ex)
{
throw new Exception(ex.Message);
}
finally
{
if (iConn.State != ConnectionState.Closed)
{
iConn.Close();
}
}
}
}
}
/**/
///
/// 执行查询语句，返回DataSet
///
/// 查询语句
/// 要填充的DataSet
/// 要填充的表名
/// DataSet
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