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How to commit and validate the custom editor value to corresponding DataObject property in Xamarin.Forms SfDataForm?

Platform: Xamarin.Forms |
Control: SfDataForm |
Published Date: February 14, 2019 |
Last Revised Date: February 14, 2019

DataForm allows you to commit and validate the custom editor values. This article explains handling custom entry editor in Xamarin Forms DataForm.

 

Here, the Age data field is loaded as custom entry editor.

 

 

By passing custom view in DataFormEditor class, you can add custom editor in data form. Refer to this DataForm user guide documentation for creating a new custom editor.

 

 

You should manually commit the custom DataFormItem editor value by using OnCommitValue override method of DataFormEditor class on custom editor Value or Focus changed event which is used to update the custom editor value in respective property in DataObject based on dataform commit mode set.

 

Also , you should manually validate the custom editor value in by using OnValidateValue override method of DataFormEditor class on custom editor Value or Focus changed event which is used to validate the custom editor value based on data form validation mode set . In the override method for OnValidateValue, you need to return DataForm.Validate(string) method in order to validate the particular data item.

 

Refer to the following code example for binding DataObject and adding custom editor(Entry) as CustomEditor using the RegisterEditor method in DataForm.

 

 

 

Sample Demo: HandlingCustomEditorValue

 

 

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