CustomFileSystemProviderBuilder.HasSubDirectoriesExpr(String) Method
In This Article
A function or the name of a data source field that provides information on whether a file or directory contains sub directories. Mirrors the client-side hasSubDirectoriesExpr option.
Namespace: DevExtreme.AspNet.Mvc.Builders
Assembly: DevExtreme.AspNet.Core.dll
#Declaration
C#
public CustomFileSystemProviderBuilder HasSubDirectoriesExpr(
string value
)
#Parameters
Name | Type | Description |
---|---|---|
value | String | An inline or external Java |
#Returns
Type | Description |
---|---|
Custom |
A reference to this instance after the method is called. |
#Remarks
Use this method to specify a JavaScript handler for the client-side hasSubDirectoriesExpr
callback.
This handler can be an inline function or an external function’s reference.
Function arguments are described in the client API reference.
@(Html.DevExtreme().FileManager()
.FileSystemProvider(sp => sp
.Custom()
.HasSubDirectoriesExpr("myFileManagerProvider_hasSubDirectoriesExpr")
)
)
<script>
function myFileManagerProvider_hasSubDirectoriesExpr(arg) {
// Handler code
}
</script>
Refer to Handle Events and Define Callbacks for more information.
See Also