What are the essential features of ado.net?

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describe the dataset object in ado.net.

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How is it possible to get 2 tables of data at a time by using data reader?

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Explain the difference between an ado.net dataset and an ado recordset?

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Describe briefly an ADO.NET Dataset ?

0 Answers   Siebel,

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What is an orm, and why would you use one instead of plain old ado.net?

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What are three methods for displaying data in a syncfusion datagrid

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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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What is microsoft ado?

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What providers does ado.net uses internally ?

3 Answers   Digital GlobalSoft,

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Explain the difference between sqlcommand object and command behavior object?

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Can you edit data in the Repeater control?

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