What is the difference between statement and preparedstatement interface?

0 Answers  

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what is type dataset?

3 Answers  

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What is ado object model?

0 Answers  

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What provider ADO.net use by default ?

5 Answers   Accenture, BirlaSoft, Wipro,

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How can I retrieve two tables of data at a time by using data reader? Data reader read and forward only, how is it possible to get 2 tables of data at a time?

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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What are the disadvantages of using datalist?

0 Answers  

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Diff B/W DataSet vs DataTable

6 Answers   Star Wire,

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What is a dynaset in access?

0 Answers  

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Execute nonquery returns no. of afected rows.So if my stored procedure hav lot of select stmnt, delete stmnt, insert stmnt..then what does execute nonquery returns in this case?

6 Answers   Wipro,

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Call a stored procedure from ado.net and pass parameter to it ?

7 Answers   Keane India Ltd, TCS,

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What is the key feature of ADO.NET compared to ADO ?

3 Answers   TCS,

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