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Open tab window will not close after update?

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User1909155429 posted

I have two pages. when i click a link to open a new tab and then immediately close using javascript it closes tab window. If i decide to postback page in open tab window and then decide to close window it does not now close?

<a href ='<%# Eval("ProductID", "../../ImageSlider.aspx?ProductID={0}") %>' target="_blank"> </a>

to close open window i use javascript function window.close();
Tuesday, May 11, 2021 8:39 PM

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User-939850651 posted

Hi peterthegreat,

I have two pages. when i click a link to open a new tab and then immediately close using javascript it closes tab window. If i decide to postback page in open tab window and then decide to close window it does not now close?

According to your description, I created a simple example for testing. I found that both the page opened by a link and the page opened by window.open() can be closed by script. How did you test it?

This is my test:

Page1:

<head runat="server">
    <title></title>
    <script src="Scripts/jquery-3.5.1.min.js"></script>
    <script>
        $(function () {
            $('#openNew').on('click', function () {
                window.open('/page2.aspx');
            });
        })
    </script>
</head>
<body>
    <form id="form1" runat="server">
        <div>
            <input type="button" id="openNew" name="name" value="Open A New" />

            <br />
            <a href="page2.aspx" target="_blank">click to page2</a>
        </div>
    </form>
</body>

Page2:
<head runat="server">
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
        <div>
            <asp:Button Text="Update and Close" ID="Close" OnClick="Close_Click" runat="server" />
        </div>
    </form>
</body>

Page2.aspx.cs
protected void Close_Click(object sender, EventArgs e)
{
    Response.Write("<script>alert('update successfully!');</script>");
    Response.Write("<script>window.close();</script>");
}

Does this message appear in your browser console？

Scripts may not close windows that were not opened by script.

I recommand that you could read document about the window.close();

Best regards,

Xudong Peng

Marked as answer by Anonymous Thursday, October 7, 2021 12:00 AM

Wednesday, May 12, 2021 3:02 AM

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User-939850651 posted

Hi peterthegreat,

I have two pages. when i click a link to open a new tab and then immediately close using javascript it closes tab window. If i decide to postback page in open tab window and then decide to close window it does not now close?

According to your description, I created a simple example for testing. I found that both the page opened by a link and the page opened by window.open() can be closed by script. How did you test it?

This is my test:

Page1:

<head runat="server">
    <title></title>
    <script src="Scripts/jquery-3.5.1.min.js"></script>
    <script>
        $(function () {
            $('#openNew').on('click', function () {
                window.open('/page2.aspx');
            });
        })
    </script>
</head>
<body>
    <form id="form1" runat="server">
        <div>
            <input type="button" id="openNew" name="name" value="Open A New" />

            <br />
            <a href="page2.aspx" target="_blank">click to page2</a>
        </div>
    </form>
</body>

Page2:
<head runat="server">
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
        <div>
            <asp:Button Text="Update and Close" ID="Close" OnClick="Close_Click" runat="server" />
        </div>
    </form>
</body>

Page2.aspx.cs
protected void Close_Click(object sender, EventArgs e)
{
    Response.Write("<script>alert('update successfully!');</script>");
    Response.Write("<script>window.close();</script>");
}

Does this message appear in your browser console？

Scripts may not close windows that were not opened by script.

I recommand that you could read document about the window.close();

Best regards,

Xudong Peng

Marked as answer by Anonymous Thursday, October 7, 2021 12:00 AM

Wednesday, May 12, 2021 3:02 AM

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User1909155429 posted

If you reload Page2 by click on a button, what happens? does the page still close i your test case ?

I do get the console message. As much as i know, i loose reference to the window opener on reload?

Also, i am using a link button instead of open.window method so do not have a reference to open.window either?

Wednesday, May 12, 2021 6:34 PM
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User1909155429 posted

I managed to get it working.

It was because it was outside a script as you suppose. the link would not work on mine as you say it did on yours?

I had trouble finding the child Page url using script until i put it into same folder as parent page. I guess the client path syntax is not same as on server when finding page?

Wednesday, May 12, 2021 8:17 PM
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User-939850651 posted

Hi peterthegreat,

If you reload Page2 by click on a button, what happens? does the page still close i your test case ?

I'm very sorry, after I tested it again, I found that the test results described earlier had some errors.

When I click on this button on page1, it calls window.open() to load a new tab page2, it can be closed by window.close(), even through I refresh page2, it still work.

But when I click on the tag <a> on page1, it also load a new tab page2, whether I refresh page2 or not, it cannot be closed by window.colse(), and in console it will show the warning message I mentioned above.

The window opened by window.open() is a child window with the original window as the parent window, and the tag <a> is a normal page jump, which has nothing to do with the original window. I think this should be the cause of the problem.

Best regards,

Xudong Peng

Thursday, May 13, 2021 2:19 AM