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ASP.NET C# Response.Redirect

I don't know why Response.Redirect does not work if I put it in a class?

public static void Check_Variable()
{
if (HttpContext.Current.Session["selected_year"] == null)
{
Response.Redirect("Option.aspx");
}

selected_risk_rating_year = int.Parse(Session["selected_risk_rating_year"].ToString());
}

any one can help?

ASKER CERTIFIED SOLUTION

Praveen Kumar

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Billy Ma

ASKER

I tried to do the following

but the sPath always return false....why?

public static void CheckVariable()
{
if (HttpContext.Current.Session["selected_year"] == null)
{
string sPath = System.Web.HttpContext.Current.Request.Url.AbsolutePath;

if (sPath == "/Option.aspx")
{
HttpContext.Current.Response.Redirect("Option.aspx");
}
}

selected_year = int.Parse(HttpContext.Current.Session["selected_year"].ToString());
}

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Praveen Kumar

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SOLUTION

Praveen Kumar

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SOLUTION

Pratima

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SAMIR BHOGAYTA

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Billy Ma

ASKER

because I put it on the site.master
I however, the Option page also have the site.master
right?
So I have to stop the redirect if it is on the Option page.