CustomRuleBuilder.ValidationCallback(String) Method
In This Article
Mirrors the client-side validationCallback option.
Namespace: DevExtreme.AspNet.Mvc.Builders
Assembly: DevExtreme.AspNet.Core.dll
#Declaration
C#
public CustomRuleBuilder ValidationCallback(
string jsFunc
)
#Parameters
Name | Type | Description |
---|---|---|
js |
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 validationCallback
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().DataGrid()
.Columns(columns => {
columns.Add()
.DataField("MyField")
.ValidationRules(rules => {
rules.AddCustom()
.ValidationCallback("myCustomRule_validationCallback");
});
})
)
<script>
function myCustomRule_validationCallback(arg) {
// Handler code
}
</script>
Refer to Handle Events and Define Callbacks for more information.
See Also