Sending Data from Dialog Box1 to Dialog Box2 in ASP.NET Using JavaScript

Is there a way to successfully transfer a value from Modal1 to Modal2? I am facing an issue where Modal1 opens Modal2 to receive a necessary value, but I keep encountering the error message: "Uncaught TypeError: Cannot read property 'click' of null". Despite ensuring that my ID is correct.

function ViewPM(field1) {
    window.top.document.getElementById("tbProjectPM").value = field1;
    document.getElementById("btnClosePM").click();
}

It seems that both window.top.document.getElementById and document.getElementById are not functioning as expected.

javascriptasp.net

Answer №1

One important step is to verify the actual ID assigned to each element. If you are working with a standard ASPX page and both elements are server controls, you can use the ClientID property of the controls:

function ShowInfo(field1) {
    window.top.document.getElementById("<%= tbProjectInfo.ClientID %>").value = field1;
    document.getElementById("<%= btnCloseInfo.ClientID %>").click();
}

If you prefer not to have auto-generated IDs, you can set the ClientIDMode property to static either at the page level or for each control used in document.getElementById():

Page level

<%@ Page ClientIDMode="Static" %>

Control level

<asp:Button ID="btnCloseInfo" runat="server" ClientIDMode="Static" ...>
</asp:Button>

For more information on this topic, you can visit:

Why do I get a "Cannot read property 'click' of null error?

Answer №2

I already possess the knowledge.

function ModifyView(field1) {
    parent.document.getElementById("tbProjectPM").value = field1;
    parent.document.getElementById("btnClosePM").click();
}

To access data from one modal through another, utilize the parent keyword.

Check out this informative link:

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