public IGridWithOptions <T> Columns(Action <ColumnBuilder <T> > columnBuilder)
{
var builder = new ColumnBuilder <T>();
var html = new HtmlHelper(_context, new ViewPage());
//显示Checkbox
if (Model.ShowCheckBox)
{
builder.For(f => html.SiCheckBox(typeof(T).Name, ""), "Id")
.Header(x => html.SiCheckBox(typeof(T).Name, ""))
.Sortable(false)
.Align(Alignment.Center)
.Width(30)
.Queryable(false);
}
//显示行号
if (Model.ShowRowNumber)
{
builder.For(x => "").IsRowNumberColumn(true).Align(Alignment.Center).Width(40).Queryable(false);
}
columnBuilder(builder);
foreach (var column in builder)
{
//列初始化
InitColumns(column);
if (column.Position == null)
{
_gridModel.Columns.Add(column);
}
else
{
_gridModel.Columns.Insert(column.Position.Value, column);
}
if (DataSource != null && column.IsSumColumn)
{
if (DataSource.DicSum == null)
{
DataSource.DicSum = new Dictionary <string, decimal>();
}
DataSource.DicSum.Add(new KeyValuePair <string, decimal>(column.FieldName, 0M));
}
}
return(this);
}
/// <summary>
/// Creates a new instance of the GridModel class
/// </summary>
public GridModel()
{
_emptyText = "没有任何数据.";
_columnBuilder = CreateColumnBuilder();
}