كدهايي كه نوشتم(اينا براي قسمت اصلي كلاس Window1 هستش):
const string _strConnectionString = "provider=SQLOLEDB;server=localhost;"+
"database=PayDocumentDataBase.accdb;Integrated Security=true";
const string _strCommandText = "SELECT CashNumber,CashDate,Bank,"+
"PriceCharacter,PriceNumber " +
"FROM Pay_CustomerTable";
OleDbConnection objConnection;
OleDbDataAdapter objDataAdapter;
DataSet objDataSet;
اين كد هم براي Window_Load هستش :
objConnection = new OleDbConnection(_strConnectionString);
objDataAdapter = new OleDbDataAdapter(_strCommandText, objConnection);
objDataSet = new DataSet();
objDataAdapter.Fill(objDataSet, "Pay_CustomerTable");
روي خط آخر (پر كردن DataSet) اون خطايي كه گفتم رو ميده.