Updata更新数据库问题
private DataSet UpdataTable1(string a_Sql,DataSet a_DataSet,string a_TbName)
{
DA_SqlDBCommon da_SqlDBCommon=new DA_SqlDBCommon();
da_SqlDBCommon.initSqlDBCommon();
SqlDataAdapter sqlDA=new SqlDataAdapter(a_Sql,da_SqlDBCommon.getDbConnection());
SqlCommandBuilder sqlCmd=new SqlCommandBuilder(sqlDA);
try
{
da_SqlDBCommon.openConnection();
if (a_TbName!="")
sqlDA.Update(a_DataSet,a_TbName);
else
sqlDA.Update(a_DataSet,a_DataSet.Tables[0].TableName);
}
catch(Exception e)
{
throw new DA_Exception(a_Sql +"更新DataSet操作失败",e);
}
finally
{
sqlCmd.Dispose();
sqlDA.Dispose();
da_SqlDBCommon.releaseConnection();
}
a_DataSet.AcceptChanges();
return a_DataSet;
}
系统走到sqlDA.Update(a_DataSet,a_TbName);就停止,出错。。为什么??