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I get en error when i set System.Data.DataTable to DataSet1.Tables the error is "Cannot convert type 'System.Data.DataTable' to 'WindowsFormsApplication1.DataSet1'"..

I want to create a Crystal report without database fields with my custom fields(Don't want Data.DataSet)...

My Code is -:
DataSet1 ds1 = new DataSet1();                        
            OleDbConnection con=new OleDbConnection("Provider=Microsoft.jet.oledb.4.0; data source="+Application.StartupPath+@"\DataInfo1.mdb");           
           OleDbDataAdapter da=new OleDbDataAdapter(@"SELECT ct.custID, c.custName, c.custAdd, ct.custTranDate, ct.custTranType, ct.custPaidAmt, ct.custDueAmt, c.custArea FROM custTransaction AS ct LEFT JOIN custDetails AS c ON ct.custID = c.custID WHERE ct.custID='CUST-000002' and ct.custTranDate BETWEEN #2/28/13# AND #3/1/13#;",con);
           DataSet ds = new DataSet();
           DataTable dt = new DataTable();
           ds1 = dt; //Error is here
//           MessageBox.Show(ds1.Tables[0].Rows.Count.ToString());
           CrystalReport2 cr = new CrystalReport2();
            this.crystalReportViewer1.ReportSource =cr;

Thanks in Advance....
Posted 7-Mar-13 2:37am
Savalia Manoj M 7-Mar-13 7:50am
In your code you write DataSet1(). What is it??
Jayanta Chatterjee 7-Mar-13 8:03am
I added DataSet1 from Project - Add New Item Dialogue Box and select DataSet from the List(default name is DataSet1.xsd)...
Select DataSet1.xsd from Solution Explorer and right click . Select datatable from the menu then Right click the datatable and select Add-Column . that's the way I create DataSet1 and his fields..

1 solution

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Solution 1

A DataTable and a DataSet are different types, you cannot use an expression such as you have coded. Go to MSDN and read the documentation for each class.
Jayanta Chatterjee 7-Mar-13 8:10am
Sir, I know that's different types,
but is there any way to assign the all tables with rows from Data.DataSet to the DataSet1??
Richard MacCutchan 7-Mar-13 8:17am
A quick check of the documentation reveals the answer.
Jayanta Chatterjee 7-Mar-13 8:25am
Thanks Sir....
I solve the problem.. :-)

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