ASPxTreeList.FindDataCellTemplateControl(String, TreeListDataColumn, String) Method
Searches for the server control contained within the specified data cell’s template.
Namespace: DevExpress.Web.ASPxTreeList
Assembly: DevExpress.Web.ASPxTreeList.v23.2.dll
NuGet Package: DevExpress.Web
Declaration
public Control FindDataCellTemplateControl(
string nodeKey,
TreeListDataColumn column,
string id
)Parameters
| Name | Type | Description |
|---|---|---|
| nodeKey | String | A String value that identifies the node. |
| column | TreeListDataColumn | A TreeListDataColumn object that represents the data column where the requested cell resides. If null (Nothing in Visual Basic), the search is performed within all cells in the specified node. |
| id | String | A String value that identifies the control within the specified cell. |
Returns
| Type | Description |
|---|---|
| Control | A Control object that represents the control contained within the specified data cell’s template. |
Remarks
To learn more, see Templates.
Example
In this example, the ASPxTreeList.HtmlRowPrepared event is handled to display appropriate images within data cells. The ASPxTreeList.FindDataCellTemplateControl method is used to access ASPxImage and ASPxLabel template controls contained within data cells.
The image below shows the result:
protected void ASPxTreeList1_HtmlRowPrepared(object sender,
DevExpress.Web.ASPxTreeList.TreeListHtmlRowEventArgs e) {
if(e.RowKind != DevExpress.Web.ASPxTreeList.TreeListRowKind.Data) return;
ASPxImage img = ASPxTreeList1.FindDataCellTemplateControl(e.NodeKey,
ASPxTreeList1.Columns["Product"] as TreeListDataColumn, "ASPxImage1") as ASPxImage;
ASPxLabel lb = ASPxTreeList1.FindDataCellTemplateControl(e.NodeKey,
ASPxTreeList1.Columns["Product"] as TreeListDataColumn, "ASPxLabel1") as ASPxLabel;
if (ASPxTreeList1.FindNodeByKeyValue(e.NodeKey).HasChildren) {
img.ImageUrl = @"~\i\product-group.png";
lb.Font.Size = 12;
lb.Font.Bold = true;
}
else
img.ImageUrl = @"~\i\product.png";
}