private void listar()
{
try
{
this.roles = new Roles();
this.roles.opc = 1;
this.rolH = new RolesHelper(roles);
this.table = new DataTable();
this.table = rolH.ListarRol();
if (table.Rows.Count > 0)
{
this.dgvListar.DataSource = table;
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
