protected void btnEliminar_Click(object sender, ImageClickEventArgs e) { try { var controlEditar = (Control)sender; GridViewRow renglonGrid = (GridViewRow)controlEditar.NamingContainer; int idConvenio = Convert.ToInt32(GridView1.DataKeys[renglonGrid.RowIndex].Values["IdCentral"]); //var examen = new ExamenesBO().ObtenerExamen(idExamen); ViewState["IdConvenio"] = idConvenio; clsCentral oCls = new clsCentral(); var Convenio = oCls.CentralBYIdCentral(idConvenio); foreach (DataRow dtRow in Convenio.Rows) { // On all tables' columns hdIddelet.Value = dtRow[0].ToString(); txtConveniodelet.Text = dtRow[1].ToString(); txtdescripciondelet.Text = dtRow[2].ToString(); } ScriptManager.RegisterStartupScript(this, GetType(), "muestraModal", "mostrarModal('delete');", true); } catch (Exception) { throw; } }