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Button CommandName

 
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Button CommandName, Need to use identify which button was clicked to call a function and t
Elven
13 Aug, 2008 - 01:53 PM
Post #1

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Joined: 13 Aug, 2008
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Hi,

I am using following code:
CODE

protected void SpremiPromjene(Object Sender, CommandEventArgs e)
switch (e.CommandName)
            {
                case "HomeCmd":
                        ///some commands
                 break:
            ///more cases
                   }

///ASP code

<asp:Button ID="HomeBtn" runat="server" Text="Spremi promjene" CommandName="HomeCmd" OnClick="SpremiPromjene" />


But I keep getting: Error 18 'System.EventArgs' does not contain a definition for 'CommandName' and no extension method 'CommandName' accepting a first argument of type 'System.EventArgs' could be found.

I am doing the code as they do it on MSDN web ( http://msdn.microsoft.com/en-us/library/sy...ommandname.aspx ), but for some reason it ain't enough.

Any help would be appreciated.
Thanks in advance.
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gbertoli3
RE: Button CommandName
13 Aug, 2008 - 04:07 PM
Post #2

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Is this asp.net code because if it is it should be in the ASP.NET section, but do not post the same topic in the ASP.NET section wait for a moderator to move it.
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PsychoCoder
RE: Button CommandName
13 Aug, 2008 - 04:21 PM
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Try changing this line


HTML
<asp:Button ID="HomeBtn" runat="server" Text="Spremi promjene" CommandName="HomeCmd" OnClick="SpremiPromjene" />


to

HTML
<asp:Button ID="HomeBtn" runat="server" Text="Spremi promjene" CommandName="HomeCmd" OnCommand="SpremiPromjene" />


When you use OnClick you're invoking the OnClick Event, which is expecting EventArgs and you're passing it CommandEventArgs. Also, this is an ASP.NET topic so I'm moving it to the ASP.NET forum smile.gif
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Elven
RE: Button CommandName
14 Aug, 2008 - 12:05 AM
Post #4

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Thanks for moving it to the correct section and even more thanks for solving this!

Mistake was definately there, worst part is that it is even stated that way in MSDN article I linked, but I just couldn't see it (that's what I get for not copy pasting the MSDN code wink2.gif ).

For people who might be interested in similar solutions, I found out as well that you could use
CODE
string strName = ((Control)sender).Name;

or
CODE
if (sender == name1) { ... }
  else if (sender == name2) { ... }
.

Didn't try those out, but might be helpful for people who will not want to complicate stuff with CommandName and OnCommand, but will get to this thread with a similar problem.
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