/// <summary>
/// 执行Sql命令，调用SqlTransaction事务，返回bool值
/// </summary>
/// <param name="m_cmds">可变的SqlCommand数组，必须指定CommandText和CommandType</param>
/// <returns>true或false</returns>
public bool ExecNoQueryList(SqlCommand[] m_cmds)
{
SqlConnection conn = new SqlConnection(SqlConn.GetSqlConnStr());
conn.Open();
using (SqlTransaction trans = conn.BeginTransaction())
{
try
{
foreach (SqlCommand cmd in m_cmds)
{
cmd.Connection = conn;
cmd.Transaction = trans;
cmd.ExecuteNonQuery();
}
trans.Commit();
return(true);
}
catch (InvalidOperationException ept)
{
trans.Rollback();
//throw new DBOpenException(ept.Message,ept);
return(false);
}
catch (SqlException ept)
{
//WriteEventLog(ept.Message);
trans.Rollback();
//throw new DBQueryException(ept.Message,ept);
return(false);
}
catch (Exception ept)
{
////Console.WriteLine(ept.Message);
trans.Rollback();
//throw ept;
return(false);
}
finally
{
// 确保数据库连接关闭
if (conn.State != ConnectionState.Closed)
{
conn.Close();
}
}
}
}
/// <summary>
/// 返回查询的XML
/// </summary>
/// <param name="rootName">定义XML根节点名称</param>
/// <returns></returns>
public XmlDocument ExecXmlDom(string rootName)
{
string strXml = "";
SqlConnection conn = new SqlConnection(SqlConn.GetSqlConnStr());
m_cmd.Connection = conn;
try
{
conn.Open();
XmlReader read = m_cmd.ExecuteXmlReader();
while (read.ReadState != ReadState.EndOfFile)
{
read.MoveToContent();
strXml += read.ReadOuterXml();
}
}
catch (InvalidOperationException ept)
{
throw new DBOpenException(ept.Message, ept);
}
catch (SqlException ept)
{
//WriteEventLog(ept.Message);
throw new DBQueryException(ept.Message, ept);
}
catch (Exception ept)
{
//Console.WriteLine(ept.Message);
throw ept;
}
finally
{
// 确保数据库连接关闭
if (conn.State != ConnectionState.Closed)
{
conn.Close();
}
}
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.LoadXml("<" + rootName + ">" + strXml + "</" + rootName + ">");
return(xmlDoc);
}
/// <summary>
/// 获取查询结集合
/// </summary>
/// <param name="tableName">标注表名</param>
/// <returns></returns>
public DataTable ExecDataTable(string tableName)
{
SqlConnection conn = new SqlConnection(SqlConn.GetSqlConnStr());
m_cmd.Connection = conn;
SqlDataAdapter dat = new SqlDataAdapter(m_cmd);
DataTable dt = new DataTable();
try
{
dat.Fill(dt);
}
catch (InvalidOperationException ept)
{
throw new DBOpenException(ept.Message, ept);
}
catch (SqlException ept)
{
//WriteEventLog(ept.Message);
throw new DBQueryException(ept.Message, ept);
}
catch (Exception ept)
{
////Console.WriteLine(ept.Message);
throw ept;
}
finally
{
// 确保数据库连接关闭
if (conn.State != ConnectionState.Closed)
{
conn.Close();
}
}
if (tableName != null)
{
dt.TableName = tableName;
}
return(dt);
}
/// <summary>
/// 执行Sql命令，返回影响结果数
/// </summary>
/// <returns></returns>
public int ExecNoQuery()
{
int pot = -1;
SqlConnection conn = new SqlConnection(SqlConn.GetSqlConnStr());
try
{
conn.Open();
m_cmd.Connection = conn;
pot = m_cmd.ExecuteNonQuery();
}
catch (InvalidOperationException ept)
{
throw new DBOpenException(ept.Message, ept);
}
catch (SqlException ept)
{
//WriteEventLog(ept.Message);
throw new DBQueryException(ept.Message, ept);
}
catch (Exception ept)
{
////Console.WriteLine(ept.Message);
throw ept;
}
finally
{
// 确保数据库连接关闭
if (conn.State != ConnectionState.Closed)
{
conn.Close();
}
}
return(pot);
}
/// <summary>
/// 获取查询结果第一行第一列数据
/// </summary>
/// <returns></returns>
public object ExecScalar()
{
object result = null;
SqlConnection conn = new SqlConnection(SqlConn.GetSqlConnStr());
try
{
conn.Open();
m_cmd.Connection = conn;
result = m_cmd.ExecuteScalar();
}
catch (InvalidOperationException ept)
{
throw new DBOpenException(ept.Message, ept);
}
catch (SqlException ept)
{
//WriteEventLog(ept.Message);
throw new DBQueryException(ept.Message, ept);
}
catch (Exception ept)
{
////Console.WriteLine(ept.Message);
throw ept;
}
finally
{
// 确保数据库连接关闭
if (conn.State != ConnectionState.Closed)
{
conn.Close();
}
}
return(result);
}
