What are the three Ado objects?

6 Answers   Microsoft, StarSoft,

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What property must be set and what method must be called in your code to bind the data from some data source to the Repeater control?

0 Answers  

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What is ado oledb and odbc?

0 Answers  

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What is azure ado?

1 Answers  

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What is a column variable?

0 Answers  

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describe about the ado.net object model

4 Answers   TCS,

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What is the difference between oledbreader and datasetwhile connecting?

1 Answers  

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Describe datareader object of ado.net with example.

0 Answers  

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Which is better entity framework or ado.net?

0 Answers  

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Why sql Data Reader object not created

9 Answers   Matrix,

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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 the provider and namespaces being used to access oracle database?

4 Answers   Microsoft,

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