Answer / pankaj kumar

Dataset,dataprovider

Answer / nandini

DataSet and DataReader are the tow funadamental object in
ADO.NET

Answer / sandyni

Dataset which is disconnected and DataReader which is
connected are the two main fundamental objects of ADO.Net

Answer / spvarma

#1 is wrong remaings are correct
DataSet and DataReader are the tow funadamental object in
ADO.NET

Answer / tahir

yeah, its DataSet and DataReader.

Answer / murali

DataSet and DataAdapter

what is trigger?

8 Answers   Microsoft, Precept Technology,

How can you add or remove rows from the datatable object of dataset?

0 Answers  

How do you update a dataset in ado.net and how do you update database through dataset?

0 Answers  

How do you sort the data in datagrid?

4 Answers   Choice Solutions,

How do you find the count of records in a dataset?

0 Answers  

What is the provider being used to access oracle database?

0 Answers  

OleDbDataAdapter ole=new OleDbDataAdapter(new OleDbCommand ("select * from login",oleDbConnection1)); OleDbCommandBuilder cmd=new OleDbCommandBuilder(ole); ole.Fill(dataSet11,"login"); DataRow drow=dataSet11.Tables ["login"].NewRow(); drow[0]=textBox1.Text; drow[1]=textBox2.Text; drow[2]=textBox3.Text; dataSet11.Tables["login"].Rows.Add (drow); ole.UpdateCommand=cmd.GetUpdateCommand(); ole.Update(dataSet11,"login"); MessageBox.Show("one row added"); this gives exception.how to solve it

1 Answers   Nimaya,

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,

What are the parameters that control most of connection pooling behaviors?

0 Answers  

Which object is used to add relationship between two Datatables?

0 Answers  

Being fresher How would i answer to the question that what is your salary exception?

4 Answers  

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

0 Answers