public void RegenerateColumns()
{
object ds = dataSource;
if (ds is PagedDataSource)
ds = ((PagedDataSource) dataSource).DataSource;
DataTable dt;
if (ds is DataView)
dt = ((DataView) ds).Table;
else if (ds is DataTable)
dt = ((DataTable) ds);
else if (ds == null)
throw new ArgumentNullException("dataSource", "DataSource can't be null.");
else
throw new ArgumentException("DataSource type not supported: " + ds.GetType().FullName);
Columns.Clear();
foreach (DataColumn col in dt.Columns)
{
if (this.PrimaryKey != col.ColumnName)
{
GridColumn gcol = new GridColumn();
gcol.SourceDataColumn = col;
gcol.ColumnIndex = this.Columns.Count;
gcol.DataField = col.ColumnName;
gcol.HeaderText = col.ColumnName;
this.Columns.Add(gcol);
}
}
}
public int Add(GridColumn col)
{
return List.Add(col);
}
protected virtual object GetValue(object obj, GridColumn col)
{
object val = DataBinderEx.Eval(obj, col.DataField);
foreach (IDataFormatterPlugin plugin in plugins.Select(typeof(IDataFormatterPlugin)))
val = plugin.Format(col, val);
if (col.DataFormatString != null)
val = String.Format(PluggableFormatProvider.Instance, col.DataFormatString, val);
if (!col.AllowHtml)
val = Server.HtmlEncode(Convert.ToString(val, CultureInfo.InvariantCulture));
return val;
}