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PLZ告诉我,我做错了,我复制具有代码麻烦没有一个或多个条件给定的值参数
query = "SELECT * FROM ACCOUNT_KEEPER WHERE DATEPART(MONTH,[DATE]) = ?";
DataSet dataSet=new DataSet();
OleDbDataAdapter dataAdapter=new OleDbDataAdapter();
try
{
if(OpenOledbConnection())
{
dataAdapter.SelectCommand=new OleDbCommand(query,connection);
dataAdapter.SelectCommand.Parameters.AddWithValue("@DATEPART(MONTH,[DATE]", date.Month);
dataAdapter.Fill(dataSet);
// checking if dataset is updated or not
int temp = dataSet.Tables[0].Rows.Count;
return dataSet;
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error While Retrieving data by Month");
}
finally
{
CloseOledbConnection();
}
return null;
由于部分提前
MGD
如果你真的想要一个答案,你将无法绕过不必问一个实际问题。 – Timwi 2011-01-12 19:12:04