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Tuesday, 5 August 2014

Gridview Selected Row Value Pass to JavaScript Function On Hyperlink Click in Asp.net Using C#.Net

8/05/2014 - By Pranav Singh 0

This article will show you how you can pass the gridview selected row value to a JavaScript function when user click on hyperlink placed in a gridview control. So in this article I have used GridView, c#.net, Asp.Net, Hyperlink, JavaScript.


So for this article first we will first we will create a new asp.net application and add the below code.

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="ProjectDemo_Asp.et.Default" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>Gridview Selected Row Value Pass to JavaScript Function On Hyperlink Click in Asp.net Using C#.Net</title> 
    <script language="javascript">
        function GetSelectedValue(data) {
            alert(data);
        }
    </script> 
</head>
<body>
    <form id="form1" runat="server">
    <asp:Label ID="Label9" runat="server" Text="" style="font-weight:bold;color:Red;"></asp:Label>
    <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" EmptyDataText="There are no data records to display."
        Width="100%" BorderStyle="Solid" ShowFooter="True">
        <Columns>
            <asp:TemplateField HeaderText="Id">
                <ItemTemplate>
                    <asp:Label ID="Label1" runat="server" Text='<%# Eval("source_numb") %>'></asp:Label>
                </ItemTemplate>
            </asp:TemplateField>
            <asp:TemplateField HeaderText="TITLE">
                <ItemTemplate>
                    <asp:Label ID="Label2" runat="server" Text='<%# Bind("title") %>'></asp:Label>
                </ItemTemplate>
            </asp:TemplateField>
            <asp:TemplateField HeaderText="PUBLISH YEAR">
                <ItemTemplate>
                    <asp:Label ID="Label3" runat="server" Text='<%# Bind("publication_year") %>'></asp:Label>
                </ItemTemplate>
            </asp:TemplateField>
            <asp:TemplateField HeaderText="PRICE">
                <ItemTemplate>
                    <asp:Label ID="Label4" runat="server" Text='<%# Bind("retail_price") %>'></asp:Label>
                </ItemTemplate>
            </asp:TemplateField>
            <asp:TemplateField>
                <ItemTemplate>
                    <a href="#" onclick="javascript:GetSelectedValue(<%# Eval("source_numb") %>);">Click</a>
                </ItemTemplate>
            </asp:TemplateField>
        </Columns>
        <HeaderStyle BackColor="#66CCFF" />       
    </asp:GridView>
   </form>
</body>
</html>

In above code I have added a hyper link inside ItemTemplate of gridview.  In this ItemTemplate I have called a JavaScript function in this function I have bind the value which I want to pass it to JavaScript function. For demonstration I have written a simple JavaScript function and shown the value as alert which I am passing.

So here is the separated code.

       <asp:TemplateField>
                <ItemTemplate>
                    <a href="#" onclick="javascript:GetSelectedValue(<%# Eval("source_numb") %>);">Click</a>
                </ItemTemplate>
            </asp:TemplateField> 

JavaScript function:

    <script language="javascript">
        function GetSelectedValue(data) {
            alert(data);
        }
    </script> 

Now we have done run the page and check the output.



 Now click on second row of the grid view



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