dataset

[shif]

Hi
I am a new developer in .net, i facing a problem while retrieving data.This
is my code, DA=Dataadapter and DS =dataset
DA_master.Selec tCommand.Parame ters("@tr_no"). Value = Textsearch.Text
DS_data.Clear() , DA_master.Fill( DS_data)
Using this i can view the data in datagrid,In my textbox databinding text
propery i gave some tr_no colmun name,but data is not showing in textbox,but
if i am not using ds_data.clear() its appearing.i want to clear previous
entry,so i am using ds_data.clear() .What can be the problem.how can i solve
this,i also tried with
Me.BindingConte xt(ds_data, "veh_mast").Pos ition = Me.BindingConte xt(ds_data,
"veh_mast").Cou nt - 1,but no result in textbox.
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Thanks