public static void ClearQueryString(HttpContext context, NameValueCollection newParams)
{
if (context == null)
{
throw new ArgumentNullException("context", "You must pass the current HttpContext object for this method to function.");
}
else if (context.Response == null || context.Request == null)
{
throw new Exception("Specified HttpContext must contain both a valid request and response object.");
}
string responseUrl = PageRedirect.GetCurrentPage(context);
System.Text.StringBuilder sb = new System.Text.StringBuilder();
if (newParams != null)
{
for (int i = 0; i < newParams.Count; i++)
{
sb.AppendFormat("&{0}={1}", context.Server.UrlEncode(newParams.Keys[i]), context.Server.UrlEncode(newParams[i]));
}
responseUrl += "?" + sb.ToString().TrimStart('&');
}
context.Response.Redirect(responseUrl);
}
private static string GetCurrentPageEncoded(HttpContext context)
{
return(context.Server.UrlEncode(PageRedirect.GetCurrentPage(context)));
}
