In RowFilter How To Select the All The Table Column in C#?

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C#2.0

C#

Here Is My Code...

here i have one textbox..when writing some text automatically match the String and find all Row..

now ..but in my code..here Only Filter using "ClientName" i want serch that text from all the Column..

How to specify the All The Column in the RowFilter plzz give me solution:

private void txtSearch_TextChanged(object sender, EventArgs e)
{
  dv.RowFilter = "ClientName Like '%" + txtSearch.Text + "%'";
  dgClientMaster.DataSource = dv;
}