Which control of the BindingNavigator returns the current position within the data source?

0 Answers  

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What is dataset object? Explain the various objects in dataset.

0 Answers  

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What are advantages of microsoft-provided data provider classes in ado.net?

0 Answers  

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If a table contains 20000 records . In a page at each time 100 records to be displayed. What are the steps u will take to improve performance? will you use dataset or datareader?

7 Answers  

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Using Ado.net, what front ends and back ends can you use?

10 Answers  

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Advantage of ADO.Net?

2 Answers   QualSoft, TCS,

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Is datareader faster than datatable?

0 Answers  

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How To Update A Column In A DataGrid Using C#.NET? I am getting InvalidCastException as (Specified cast is not valid) while updating 2nd column in a datagrid? Id,firstname,lastname are the three columns of my datagrid respectively. I wanted to edit the second column(lastname) and update it. I did the following code in DataGrid's updatecommand(),but failed to update ! Int varid=(int)DataGrid1.DataKeys[e.Item.ItemIndex]; TextBox lnm=(TextBox)e.Item.Cells[2].Controls[0]; string str=lnm.Text ; SqlCommand cmd=new SqlCommand("update customer set lastname='" + str + "' where id=" + varid + "",con); cmd.ExecuteNonQuery(); DataGrid1.EditItemIndex=- 1; DataGrid1.DataBind();

2 Answers   Mind Tree, TCS,

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Explain executenonquery?

0 Answers  

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What are the steps in connecting to database ?

2 Answers   Microsoft,

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What are the rules to implement connection pooling?

0 Answers  

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What is bubbled event can you please explain?

0 Answers  

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