how to call a javascript function in a repeater on button click

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Hi guys,

I have asp.net website,

Where i have one small code in javascript.

<script type="text/javascript">
        function GetAlt(a, b, c) {
            alert(a + "|" + b + "|" + c);
        }
    </script>

and i want to call this function on button click in a repeater.

<asp:ImageButton ID="imgEdit" runat="server" CommandArgument='<%# Eval("tc") + "," + Eval("JobName") + "," + Eval("Discount") %>'
                                OnClientClick='<%# "GetAlt(" + Eval("tc") + "," + Eval("JobName") + "," + Eval("Discount") + ");"  %>' ToolTip="Edit" ImageUrl="~/images/Edit.png" Width="20"
                                Height="20" />

on button click its, just getting postback but not getting an popup box.

I changed imagebutton to simple html button.

<input type="button" name="E" id="E" value="E" onclick='<%# "GetAlt(" + Eval("tc") + "," + Eval("JobName") + "," + Eval("Discount") + ");"  %>' />

Trying this code:
Button

<asp:ImageButton ID="imgEdit" runat="server" CommandArgument='<%# Eval("tc") + "," + Eval("JobName") + "," + Eval("Discount") %>'
                                CommandName="Edit" ToolTip="Edit" ImageUrl="~/images/Edit.png" Width="20"
                                Height="20" />

Repeater_Item...

if (e.CommandName == "Edit")
        {
            ImageButton btnedit = (ImageButton)e.Item.FindControl("imgEdit");
            string[] cmdArgs = e.CommandArgument.ToString().Split(new char[] { ',' });
            String strJSFunctionCall = String.Format("return GetAlt({0},{1},{2})", cmdArgs[0], cmdArgs[1], 0);
            btnedit.Attributes.Add("onclick", strJSFunctionCall);
        }

But still i'm not getting this popup.

can any one please help me...

Thanks

Posted 6-Jun-15 20:52pm

abdul subhan mohammed

Updated 6-Jun-15 21:16pm

v2

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Kornfeld Eliyahu Peter · Answer 1 · 2015-06-06T21:33:00

The problem is that the default behaviour of ImageButton is to postback to the server. So what actually happening, that the client code is distracted by the postback and for that the page refreshing and you never see the popup...
What you can do is to stop the postback from happening...

HTML

OnClientClick='<%# "GetAlt(" + Eval("tc") + "," + Eval("JobName") + "," + Eval("Discount") + ");" %>; return false;'

Update the OnClientClick property and add retrun false at the end...It will stop the postback and only you code will run...

Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ) · Answer 2 · 2015-06-06T22:40:00

Solution 2

You added the answer at another old question - javascript function in repeater control[^]. You should have added it in this question of yours.

Posted 6-Jun-15 22:40pm

Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ)

abdul subhan mohammed · Answer 3 · 2015-06-06T22:42:00

Thank you guys,

I tried this, i got it...

if (e.CommandName == "Edit")
        {
            ImageButton btnedit = (ImageButton)e.Item.FindControl("imgEdit");
            string[] cmdArgs = e.CommandArgument.ToString().Split(new char[] { ',' });
            String strJSFunctionCall = String.Format("GetAlt({0},{1},{2})", cmdArgs[0], "'"+cmdArgs[1]+"'", 0);
            btnedit.Attributes.Add("onclick", strJSFunctionCall);
        }

its started working when i placed quotes for string.

Thanks Once Again everyone.

how to call a javascript function in a repeater on button click

3 solutions

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Solution 2

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