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Home/ Questions/Q 8148321
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Editorial Team
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Editorial Team
Asked: June 6, 20262026-06-06T14:37:31+00:00 2026-06-06T14:37:31+00:00

if(Request.QueryString[UserId] !== WebSecurity.CurrentUserId){ Response.Redirect(~/AdminError); } what is wrong with the above expression ? Please

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if(Request.QueryString["UserId"] !== WebSecurity.CurrentUserId){
    Response.Redirect("~/AdminError");
}

what is wrong with the above expression ? Please help
it says

Compiler Error Message: CS1525: Invalid expression term '=='
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  1. Editorial Team
    Editorial Team
    2026-06-06T14:37:33+00:00Added an answer on June 6, 2026 at 2:37 pm

    There’s an extra = sign. !== is not legal in C#, != is.

    The compiler sees this as a sequence of the tokens ! (logical negation) and == and complains that negating the operator == does not make sense.

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