我有一个绑定到 bindingSource 的 xtraGrid 控件(v12.1),最后从 LINQ 到实体查询(EF4.3.1)获取其数据,最终用户可以过滤和排序 gridView,我有一个 Stimulsoft 报告,显示当用户单击 PrintListButton 时 gridView 的内容,如何获取 xtragrid 过滤和排序的数据源,以便将其附加到报告中?谢谢。
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1 回答
1
var data = GetDataView(xtraGridControl1);
report.RegData("List", data.ToTable());
public DataView GetDataView(GridControl gc)
{
DataView dv = null;
if (gc.FocusedView != null && gc.FocusedView.DataSource != null)
{
var view = (ColumnView)gc.FocusedView;
var currentList = listBindingSource.List.CopyToDataTable().DefaultView; //(DataView)
var filterExpression = GetFilterExpression(view);
var sortExpression = GetSortExpression(view);
var currentFilter = currentList.RowFilter;
//create a new data view
dv = new DataView(currentList.Table) {Sort = sortExpression};
if (filterExpression != String.Empty)
{
if (currentFilter != String.Empty)
{
currentFilter += " AND ";
}
currentFilter += filterExpression;
}
dv.RowFilter = currentFilter;
}
return dv;
}
public string GetFilterExpression(ColumnView view)
{
var expression = String.Empty;
if (view.ActiveFilter != null && view.ActiveFilterEnabled
&& view.ActiveFilter.Expression != String.Empty)
{
expression = view.ActiveFilter.Expression;
}
return expression;
}
public string GetSortExpression(ColumnView view)
{
var expression = String.Empty;
foreach (GridColumnSortInfo info in view.SortInfo)
{
expression += string.Format("[{0}]", info.Column.FieldName);
if (info.SortOrder == DevExpress.Data.ColumnSortOrder.Descending)
expression += " DESC";
else
expression += " ASC";
expression += ", ";
}
return expression.TrimEnd(',', ' ');
}
于 2012-06-27T15:27:35.163 回答