Hello,
I have a vbs script i am converting over to a C# application that my someone created so i can expand upon it. Everything i have redone but this last bit. Its a SQL Query that interacts with 2 different MDB files.
The SQL syntax is this:
INSERT INTO transactions IN 'C:\Trans_trim\Transact.mdb' SELECT * from transactions IN 'C:\transact.mdb' WHERE Lst_MDT < #" + DateTime.Now.AddYears(-1).Date.ToString() + "#
Here is the code I have:
string SQL1 = @"INSERT INTO transactions IN 'C:\Trans_trim\Transact.mdb' SELECT * from transactions IN 'C:\transact.mdb' WHERE Lst_MDT < #" + DateTime.Now.AddYears(-1).Date.ToString() + "#";
OleDbCommand cmd = new OleDbCommand();
OleDbConnection dbCon = new OleDbConnection();
try
{
dbCon.ConnectionString = @"Provider= Microsoft.Jet.OLEDB.4.0;Data Source='C:\Trans_trim\Transact.mdb'";
cmd.Connection = dbCon;
dbCon.Open();
cmd.CommandText = SQL1;
//cmd.ExecuteReader();
//cmd.ExecuteScalar();
cmd.ExecuteNonQuery();
}
catch (OleDbException e)
{
MessageBox.Show(e.ToString());
}
finally
{
cmd.Dispose();
dbCon.Close();
dbCon.Dispose();
}
Now no matter what type of Query Execution i use it always get the following error:
System.Data.OleDb.OleDbException: No value given for one or more required parameters.
at System.Data.OleDb.OleDbCommand.ExecuteCommandTextForSingleResult(tagDBPARAMS dbParams, Object& executeResult)
at System.Data.OleDb.OleDbCommand.ExecuteCommandText(Object& executeResult)
at System.Data.OleDb.OleDbCommand.ExecuteCommand(CommandBehavior behavior, Object& executeResult)
at System.Data.OleDb.OleDbCommand.ExecuteReaderInternal(CommandBehavior behavior, String method)
at System.Data.OleDb.OleDbCommand.ExecuteNonQuery()
at NightlyMaintiance.Form1.TrimTrans() in C:\Projects\NightlyMaintiance\NightlyMaintiance\Form1.cs:line 625
does any know what i am making a mistake on. This SQL Statement and connection string is the exact same as what is currently used in the vbs script. Thank you in advance.
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Mahesh ChandPosted Aug 7, 2008, 6:12 PM
This is what I would do to fix the query.
Debug your code and get the exact value of SQL1 and copy that SQL direct into your database execute it. You will see the exact error.
Did you try SqlBulkCopy.
http://www.c-sharpcorner.com/UploadFile/mahesh/BulckCopyAdoNet2008192005135138PM/BulckCopyAdoNet20.aspx