public GridColumnBase <T> CreateBoundColumn(string memberName, Type memberType)
{
bool liftMemberAccess = false;
if (grid.DataSource.Data != null)
{
liftMemberAccess = grid.DataSource.Data.AsQueryable().Provider.IsLinqToObjectsProvider();
}
LambdaExpression lambdaExpression = ExpressionBuilder.Lambda <T>(memberType, memberName, liftMemberAccess);
Type columnType = typeof(GridBoundColumn <,>).MakeGenericType(new[] { typeof(T), lambdaExpression.Body.Type });
ConstructorInfo constructor = columnType.GetConstructor(new[] { grid.GetType(), lambdaExpression.GetType() });
IGridBoundColumn column = (IGridBoundColumn)constructor.Invoke(new object[] { grid, lambdaExpression });
column.Member = memberName;
column.Title = memberName.AsTitle();
if (memberType != null)
{
column.MemberType = memberType;
}
return((GridColumnBase <T>)column);
}
private object ExtractForeignKeyText(IGridBoundColumn column, object key)
{
var foreignKeyColumn = column as IGridForeignKeyColumn;
if (foreignKeyColumn != null && foreignKeyColumn.Data != null)
{
var data = foreignKeyColumn.Data;
if (!data.Any(i => i.Selected))
{
if (key != null)
{
var selectedItem = data.FirstOrDefault(i => i.Value.Equals(key.ToString()));
if (selectedItem != null)
{
return(selectedItem.Text);
}
}
}
else
{
return(data.First(i => i.Selected).Text);
}
}
return(key);
}
public string GetDisplayName(IGridBoundColumn column)
{
// Get the typed bound column
GridBoundColumn <TModel, TValue> boundColumn = column as GridBoundColumn <TModel, TValue>;
if (boundColumn == null)
{
return(String.Empty);
}
// Create the appropriate HtmlHelper and use it to get the display name
HtmlHelper <TModel> helper = HtmlHelpers.For <TModel>(boundColumn.Grid.ViewContext, boundColumn.Grid.ViewData, new RouteCollection());
return(helper.DisplayNameFor(boundColumn.Expression).ToString());
}
public GridFilterAdorner(IGridBoundColumn column)
{
this.column = column;
}
public GridBoundColumnBuilder(IGridBoundColumn <T> column)
: base(column)
{
}
public GridBoundColumnSerializer(IGridBoundColumn column)
: base(column)
{
this.column = column;
}
public GridBoundColumnSerializer(IGridBoundColumn column)
: base(column)
{
this.column = column;
}
private object ExtractForeignKeyText(IGridBoundColumn column, object key)
{
var foreignKeyColumn = column as IGridForeignKeyColumn;
if (foreignKeyColumn != null && foreignKeyColumn.Data != null)
{
var data = foreignKeyColumn.Data;
if (!data.Any(i => i.Selected))
{
if (key != null)
{
var selectedItem = data.FirstOrDefault(i => i.Value.Equals(key.ToString()));
if (selectedItem != null)
{
return selectedItem.Text;
}
}
}
else
{
return data.First(i => i.Selected).Text;
}
}
return key;
}
