/// <summary>
/// Reset button event handler.
/// Discard the existing mappings in the datagrid and
/// build a new set from the database.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void buttonReset_Click(object sender, System.EventArgs e)
{
if (this.dbAdapter == null)
{
System.Windows.Forms.MessageBox.Show(
"Data Adapter is null; Table mappings is not available.",
"Table Mappings");
return;
}
DataTableMappingCollection mapList = this.dbAdapter.TableMappings;
if (mapList == null)
{
System.Windows.Forms.MessageBox.Show(
"Data Adapter's Table mappings are null and are not available.",
"Table Mappings");
return;
}
System.Data.DataTable dt;
dt = TableMappings.BuildMapFromDatabase(
DataAdapterUtil.GetDataAdapterClone(this.dbAdapter));
textBoxDatasetTable.Text =
TableMappings.BuildDataSetNameFromCommand(this.dbAdapter);
dt.AcceptChanges();
this.dataGrid1.DataSource = dt;
} // buttonReset_Click
