The specified value is of type Enumeration, But should be of type string.

I have created an app from spreadsheet. In Which I need to show data retrieved from the excel file in a data grid2. But while adding dropdown filter widget for Operation Name attribute having enumeration value, I was facing some error. This is my domain model. Where the Operation Name attribute of Ordersheet Entity is of type enumeration, having values, How to solve this error so I can add a dropdown filter widget of OperationName Attribute having enumeration value in datagrid2 ?  
1 answers



If you what to display an Enumeration in a text field use the getKey() function on the Enumeration value.