Window.close() in javascript

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I have a usercontrol where i want to open a error window to display error messages. I have used the window.open in ascx.cs, the window opened correctly.
Now i want to close the opened window by calling another method where i am using window.close().
It is not working for me. Please help me on this.

Note: when i debugged using IE debugger, It shows 'ErrorWindow' undefined

What I have tried:

public override void ErrorMessage()
{
string url = string.Empty;
ClientScriptManager cs = Page.ClientScript;
url = "ErrorEnhanced.aspx";
Type cstype = this.GetType();
string script = string.Empty;
script = "var ErrorWindow = window.open('" + url + "', 'ErrorWindow', 'width=400,height=200,left=550,top=180,resizable=no, location=no,toolbars=0,scrollbars=0,statusbars=0,menubar=0').focus();";
cs.RegisterStartupScript(cstype, "Error_Script", script, true);
}

public override void CloseErrorWindow()
{
ClientScriptManager cs = Page.ClientScript;
Type cstype = this.GetType();
string script = string.Empty;
script = "var ErrorWindow; if(ErrorWindow != null){";
script += "ErrorWindow.close();}";
cs.RegisterStartupScript(cstype, "Error_Script", script, true);
}

Posted 5-Apr-17 2:56am

Member 13107894

Updated 5-Apr-17 3:23am

v2

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Wessel Beulink · Answer 1 · 2017-04-05T03:23:00

You can't close the window of a user server sided.
Close this with java-script. Return a (partial)view with a javascript.

Just call window.close() here.

function openWin() {
    myWindow = window.open("", "myWindow", "width=200, height=100");   // Opens a new window
}

function closeWin() {
    myWindow.close();   // Closes the new window
}