2
votes
1answer
221 views

Visual Web Part Property Validation in Sandbox Solution [SharePoint Online 2013]

How can I validate a custom web part property in a Sandbox solution (SharePoint Online 2013 environment)? I am throwing a WebPartPageUserException when validation fails, as shown below. private ...
0
votes
2answers
376 views

Does web part property validation only work for visual web parts?

Suppose I define a web part property like this: private string _myString = "default value"; [WebBrowsable(true), WebDisplayName("My string"), WebDescription("A simple bit of text to ...
0
votes
0answers
75 views

how to validate custom web part property? [duplicate]

Possible Duplicate: How to validate Web Part property value? below is a custom prop and a code that i am using for my custom web part, my question is, how to validate a custom web part and ...