protected void TextBox8_TextChanged(object sender, EventArgs e) { TN.DataBind(); GridView8.DataBind(); ShowDDL(); ColorTameio(); TextBox9.Focus(); GridView3.Columns[3].HeaderText = "Ποσό " + FINANCIAL_MANAGEMENT.App_Code.xrisi.Fetch_Isot_Descr(Convert.ToDateTime(TextBox8.Text).ToString("yyyy-MM-dd")).ToString(); GridView4.Columns[0].HeaderText = FINANCIAL_MANAGEMENT.App_Code.xrisi.Fetch_Isot_Descr(Convert.ToDateTime(TextBox8.Text).ToString("yyyy-MM-dd")).ToString(); }