TreeListRowDraggingBuilder.OnDragStart(String) Method
In This Article
A function that is called when a drag gesture is initialized. Mirrors the client-side onDragStart option.
Namespace: DevExtreme.AspNet.Mvc.Builders
Assembly: DevExtreme.AspNet.Core.dll
#Declaration
C#
public TreeListRowDraggingBuilder OnDragStart(
string jsFunc
)
#Parameters
Name | Type | Description |
---|---|---|
js |
String | An inline or external Java |
#Returns
Type | Description |
---|---|
Tree |
A reference to this instance after the method is called. |
#Remarks
Use this method to specify a JavaScript handler for the client-side dragStart
event.
This handler can be an inline function or an external function’s reference.
Function arguments are described in the client API reference.
@(Html.DevExtreme().TreeList()
.RowDragging(dragging => dragging
.OnDragStart("myTreeListRowDragging_onDragStart")
)
)
<script>
function myTreeListRowDragging_onDragStart(e) {
// Handler code
}
</script>
Refer to Handle Events and Define Callbacks for more information.
See Also