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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Which parameter of ConnectionString is used to specify the name of the database?

0 Answers  

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How do you merge two datasets into the third dataset in a simple manner?

3 Answers   IBM,

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

0 Answers  

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How to find the count of records in a dataset?

6 Answers  

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can we change the data in dataset? if yes what is the process?

1 Answers   Artech,

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Which is faster ado.net or linq?

0 Answers  

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Which components of a data provider is used to retrieve, insert, delete, or modify data in a data source?

0 Answers  

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If a table contains 20000 records. In a page at each time 100 records to be displayed.

0 Answers  

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Describe ado.net object model in detail.

0 Answers  

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What is the usage of the dataset object 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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