How to sort the data in Datatable

2 Answers   NetProphet,

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What is the difference between connected and disconnected environment?

0 Answers  

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How to check if a datareader is closed or opened?

1 Answers  

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What are all the different methods under sqlcommand?

0 Answers  

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In how many ways we can retrieve table records count? How to find the count of records in a dataset?

0 Answers  

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What is difference between Dataview and Datatable?

0 Answers  

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Which type of database is used while processing dynamic database?

1 Answers   Microsoft,

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What is execute scalar in ado.net?

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 is namespace in ado.net?

0 Answers  

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What is the namespace in which .NET has the data functionality classes?

5 Answers   eMantras,

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What is difference between datatable and dataset?

0 Answers  

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