Using GridView for imagebutton if else statement

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I want to make the image in imagebutton changes when it is clicked. I use the OnClick method.

This is the code I've tried but doesn't work.

C#

protected void SignIn_Click(object sender, ImageClickEventArgs e)
        {
            if (ImageField.ThisExpression == this.ResolveClientUrl("~/Images/click.png"))
            {
                ImageButton.DisabledCssClass = this.ResolveClientUrl("~/Images/click.png");
            }
        }

Posted 8-Jul-15 20:55pm

Hayashi Narumi

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Hayashi Narumi · Accepted Answer · 2015-07-23T00:11:00

My solution is to use javascript and place it in between the of the aspx page.

XML

<script type="text/javascript">
       function abc(signOut) {
           var img = document.getElementById(signOut.id);
           img.src = "/Images/click.png";
           return false;
       }
   </script>

And this is my imagebutton in gridview...

XML

<asp:TemplateField HeaderText="Sign Out">
                    <ItemTemplate>
                        <asp:ImageButton OnClientClick="return abc(this);" ID="signOut" CommandName="Insert" AlternateText="Available" ImageUrl="~/Images/unclick.png" runat="server" />
                    </ItemTemplate>
                </asp:TemplateField>