oleDbConnection myConn = new oleDbConnection (myStr);
//////Name////////
oleDbCommand nameCmnd = new oleDbCommand( "select name from Customer where customerID = "+ enteredID, myConn);
oleDbDataAdapter nameAdapter = new oleDbDataAdapter(nameCmnd);
DataSet dsName = new DataSet();
nameAdapter.SelectCommand = nameCmnd;
nameAdapter.Fill(dsName);
nameTextBox.DataBinding.Add("Text", dsName,Tables[0], "name");
//////Mobile////////
oleDbCommand mobileCmnd = new oleDbCommand( "select mobile from Customer where customerID = "+ enteredID, myConn);
oleDbDataAdapter mobileAdapter = new oleDbDataAdapter(mobileCmnd);
DataSet dsMobile = new DataSet();
mobileAdapter.SelectCommand = mobileCmnd;
mobileAdapter.Fill(dsMobile);
mobileTextBox.DataBinding.Add("Text", dsMobile,Tables[0], "mobile");
//////Phone////////
oleDbCommand phoneCmnd = new oleDbCommand( "selectphone from Customer where customerID = "+ enteredID, myConn);
oleDbDataAdapter phoneAdapter = new oleDbDataAdapter(phoneCmnd);
DataSet dsPhone = new DataSet();
phoneAdapter.SelectCommand = phoneCmnd;
phoneAdapter.Fill(dsPhone);
phoneTextBox.DataBinding.Add("Text", dsPhone,Tables[0], "phone");
/////////////////////
Thats the code regarding the data binding and storing in the dataset.
For enteredID value its declared as a public int in this form but the value got from another form and I did check the value and its stored properly.