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Error: Object reference not set to an instance of an object

Accepted answer
edited Feb 12, 2017 6:33PM in UI Extensibility 3 comments


Hi Folks,

Requirement: For Tasks under Incident record in Incident workspace, if I click on Add New button (I have created a custom user control for this) then a task workspace should open with Task Name pre-populated with Incident Subject. Incident reference number should be auto-populated in Incident field on Task workspace (like it works in out of the box).

Approach: Workspace add-in, but getting below error. Not sure what needs to be added to get rid of this error. No error while building the project.

If anyone can suggest about the resolution.



Aug 2016

Code Snippet

                  public System.Windows.Forms.Control GetControl()
            uc1 = new UserControl1();
            uc1.buttonClick += Uc1_buttonClick;
            return uc1;

        private void Uc1_buttonClick()

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