Which control performed PostBack?

[John Smith]

How can I find out which control performed PostBack?

 

[John Smith]

I have put this code inside my Page_Load event:

Response.Write(Page.Request.Params.Get("__EVENTTARGET"))

but it doesn't write to response anything when I click on the button inside
DataGrid (my asp:Button is located inside my template column togrther with
my asp:TextBox). It works fine for DropDownList, which is also inside
template column inside DataGrid.

 

[mnichols]

Hi,

I am not sure if there is any one way to do this for all situations but
here are two ideas:

One is to use ASP.NET events for each PostBack possibility:

<asp:Button ID="Button1" runat="server" Text="Button1"
OnClick="Button1_Click" />
<input id="Button2" runat="server" onserverclick="Button2_ServerClick"
type="button" value="button" />

and then capture events :

protected void Button1_Click(object sender, EventArgs e)
{
Button1Clicked=true;
}
protected void Button2_Click(object sender, EventArgs e)
{
y = 2;
}

Another option is just pure html. If you have three submit buttons:

<input type="submit" name="action" value="Preview">
<input type="submit" name="action" value="Post">
<input type="submit" name="action" value="Cancel">

Request["Preview"]!=null if clicked
Request["Post"]!=null if clicked
Request["Cancel"]!=null if clicked


Maybe someone else will have a better idea.

mnichols

 

[bruce barker \(sqlwork.com\)]

thats because asp:buttons don't use the hidden field "__EVENTTARGET". you
need to check the Page.Form collection for each button on your page and see
its in there. it its there, its the one clicked on.

-- bruce (sqlwork.com)