What is the Magic Tables in Sqlserver2000?

7 Answers   IBM, SQL Star,

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What do you know about ado.net's methods?

0 Answers  

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Is it possible to load multiple tables in a Dataset?

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 does connection string consists of ?

4 Answers   Digital GlobalSoft,

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What is execute reader in ado.net?

0 Answers  

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what is trigger?

8 Answers   Microsoft, Precept Technology,

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What is the significance of CommandBehavior.CloseConnection ?

0 Answers   NA,

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How to maintain the relation between two tables in ADO.NET?

0 Answers   Petranics Solutions,

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Where does ADO.NET and XML web services come in the architecture ?

1 Answers   IBM, TCS,

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What is disconnected scenario in entity framework?

0 Answers  

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Explain the dataadapter class in ado.net?

0 Answers  

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