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c#object-reference

Object Instance in C#

Why do I get "Object Reference Not Set to Instance of an Object"

protected void GetData()
{
    ...

    id = this.GetTabControl().ID; //<---------here
}

...

protected ASPxPageControl GetTabControl()
{
    return (ASPxPageControl)this.FindControl("DetailTab");
}

---------I assume the FindControl is not working.

Solution

  • Presumably because GetTabControl() is returning null. We can't tell why without more code though.