Asp.net数据库操作类 c#
/// <summary>
/// 从数据库中删除数据
/// </summary>
/// <param name="DeleteString">Delete Sql语句</param>
/// <param name="SqlConn">数据库连接</param>
/// <returns>删除成功返回true</returns>
public bool Delete(string DeleteString, SqlConnection SqlConn)
{
return udiDataBase(DeleteString, SqlConn);
}
/// <summary>
/// 把数据插入数据库
/// </summary>
/// <param name="InsertString">Insert Sql语句</param>
/// <param name="SqlConn">数据库连接</param>
/// <returns>插入成功返回true</returns>
public bool Insert(string InsertString, SqlConnection SqlConn)
{
return udiDataBase(InsertString, SqlConn);
}
/// <summary>
/// 根据Sql语句更新数据库
/// </summary>
/// <param name="UDIString">更新语句</param>
/// <param name="SqlConn">数据库连接</param>
/// <returns>更新成功则返回true</returns>
public bool udiDataBase(string UDIString, SqlConnection SqlConn)
{
strError = "";
SqlConnection conn;
if (SqlConn == null)
{
conn = DBconn();
}
else
{
conn = SqlConn;
}
try
{
if (conn.State == ConnectionState.Closed)
{
conn.Open();
}
SqlCommand cmd = new SqlCommand(UDIString, conn);
cmd.CommandType = CommandType.Text;
intCount = cmd.ExecuteNonQuery();
return !(intCount < 1);
}
catch (Exception e)
{
strError = "更新数据库失败：" + e.Message;
return false;
}
finally
{
if (conn.State != ConnectionState.Closed)
{
conn.Close();
}
}
}
}
}
from:asp学习网/title:Asp.net数据库操作类 c#/ time:2007-5-16 11:50:43
本文主题数据库操作类
