CODEWITHSUNDEEP
asp.net
user746909
user746909

Reputation: 105

how to display alert by using serverside code in asp.net?

I want to execute following code on button click but the follwing code executes when I refresh the page as well. I don't want that behaviour. Please help me.

string str = "Are you sure, you want to Approve this Record?";
this.ClientScript.RegisterStartupScript(typeof(Page), "Popup", "ConfirmApproval('" + str + "');", true);

Upvotes: 0

Views: 18898

Answers (4)

codeandcloud
codeandcloud

Reputation: 55200

You should be using marto'ss and Chris W's code. If you want a clean HTML Markup, use this.

protected void Page_Load(object sender, EventArgs e)
{
    if (!IsPostBack)
    {
        string script = "javascript:return confirm('Are you certain you want to approve this record?');";
        //id of your button
        button.Attributes.Add("onclick", script):
    }
}

Upvotes: 0

marto
marto

Reputation: 4170

Add OnClientClick to your button

<asp:Button OnClientClick="return confirm('Are you sure, you want to Approve this Record?')" runat="server" />

Upvotes: 1

Chris W
Chris W

Reputation: 3314

You should look at putting your alert in to the OnClientClick method of the button.

E.g. (add in your other required attributes and click handler)

<asp:Button ID="ApproveButton" runat="server" CausesValidation="False"
    OnClientClick="return confirm('Are you certain you want to approve this record?');" />

If the user clicks OK your normal click code will run but if they cancel the function returns false so the click won't be processed.

Upvotes: 3

Raptor
Raptor

Reputation: 54212

your question in quite unclear. I assumed you use ASP.NET C# , here is the way:

public static class ClientMessageBox
{

    public static void Show(string message, Control owner)
    {
        Page page = (owner as Page) ?? owner.Page;
        if (page == null) return;

        page.ClientScript.RegisterStartupScript(owner.GetType(),
            "ShowMessage", string.Format("<script type='text/javascript'>alert('{0}')</script>",
            message));

    }

}

then, in your page (remember to reference the class above):

protected void Page_Load(object sender, EventArgs e)
{
    ClientMessageBox.Show("Hello World", this);
}

See if it helps in your case.

Upvotes: 6

Related Questions