generate windows alert box in asp.net

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hi experts,

I am developing a application in that i restricted size of total records,but i want to generate a windows alert box to notify that limits are exceed

Thanks

Posted 16-Jan-12 23:09pm

amolpatil2243

Updated 16-Jan-12 23:10pm

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ambarishtv · Answer 1 · 2012-01-17T01:53:00

Solution 3

C#

private void MessageBox(string message)
        {
            ClientScript.RegisterStartupScript(this.GetType(), "My title", "alert('" + message + "');", true);
            return;
        }

Posted 17-Jan-12 1:53am

ambarishtv

Selva K · Answer 2 · 2012-01-16T23:14:00

Solution 1

You can use

C#

Response.Write("<script>window.alert('Inserted')</script>");

by code or directly script it in Design

Posted 16-Jan-12 23:14pm

Selva K

Comments

amolpatil2243 17-Jan-12 5:20am

but it happening the postback. i dont want postback

BobJanova · Answer 3 · 2012-01-17T01:43:00

The best you can do is to use client-side alert(...) in JavaScript. If this is in response to some sort of data submission then your AJAX response handler needs to do it; if it's in response to client side events then wherever you are trying to add rows, you should do it.

However, model dialogs are annoying and generally web users expect not to see one unless they do something badly wrong. Consider having a non-modal error display within the page, and ideally make it impossible to get the error by doing pre-validation (e.g. disabling the Submit/Add Rows links if they would not be valid).

Bear in mind that some browsers let the user turn off alerts, and by default provide a 'No more alerts from this page' option after a page has created a few. (In Chrome I think you get that on the third one.) After that, anything you send through alert() is simply lost if the user has turned them off. So don't use alert() for critical information, instead use an in-page overlay that blocks further interaction.