Monday, 1 July 2013

How to use RowDataBound Event in GridView


How to use RowDataBound Event in GridView

RowDataBound in GridView event fires when the data row is bound to the data of the GridView. Can be used to do data manipulation based on the custom condition, or do logical function based on the data for each GridViewRow or to alter the UI of each row based on the  condition.

// Execute sql query in Sql Server
use test
create  table items(SrNo int identity(1,1) primary key,ItemName nvarchar(50),Price int,Quantity int )
insert into items values('Watch',500,5)
insert into items values('Maruti',500000,15)
Select * from items
This source code  for  Default.aspx………………………………..

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_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></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<table width="100%" >
<tr><td><center><font color="red"><b><i>How to use RowDataBound Event in GridView</i></b></font></center></td></tr>
<tr><td><center> <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False"
CellPadding="4" ForeColor="#333333" GridLines="None"
onrowdatabound="GridView1_RowDataBound">
<AlternatingRowStyle BackColor="White" />
<Columns>
<asp:TemplateField HeaderText="SrNo">
<ItemTemplate>
<asp:Label ID="lblsrno" runat="server" Text='<%# Eval("SrNo") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="ItemName">
<ItemTemplate>
<asp:Label ID="lblitemname" runat="server" Text='<%# Eval("ItemName") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Price/Quantity">
<ItemTemplate>
<asp:Label ID="lblprice" runat="server" Text='<%# Eval("Price") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Quantity">
<ItemTemplate>
<asp:Label ID="lblquantity" runat="server" Text='<%# Eval("Quantity") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Total Price">
<ItemTemplate>
<asp:Label ID="lbltotal" runat="server" Text="Label"></asp:Label>
</ItemTemplate>
</asp:TemplateField>
</Columns>
<FooterStyle BackColor="#990000" Font-Bold="True" ForeColor="White" />
<HeaderStyle BackColor="#990000" Font-Bold="True" ForeColor="White" />
<PagerStyle BackColor="#FFCC66" ForeColor="#333333" HorizontalAlign="Center" />
<RowStyle BackColor="#FFFBD6" ForeColor="#333333" />
<SelectedRowStyle BackColor="#FFCC66" Font-Bold="True" ForeColor="Navy" />
<SortedAscendingCellStyle BackColor="#FDF5AC" />
<SortedAscendingHeaderStyle BackColor="#4D0000" />
<SortedDescendingCellStyle BackColor="#FCF6C0" />
<SortedDescendingHeaderStyle BackColor="#820000" />
</asp:GridView>
</center></td></tr>

</table>
</div>
</form>
</body>
</html>

This source code  for  Default.aspx.cs………………………………..
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data.SqlClient;
using System.Data;

public partial class _Default : System.Web.UI.Page
{

SqlConnection con;
SqlDataAdapter da;
DataSet ds;

//code for GridView Binding on Page Load
protected void Page_Load(object sender, EventArgs e)
{

con = new SqlConnection("data source=KUSH-PC\\KUSH;Initial Catalog=test;Integrated Security=True");
da = new SqlDataAdapter("Select * from Items", con);
ds = new DataSet();
da.Fill(ds);
GridView1.DataSource = ds;
GridView1.DataBind();


}

//How to bind a runtime column GridView with RowDataBound Event..................Like (Price*Quantity=Toatal Price)
protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
{
Label price, quantity;
Label total1 = ((Label)e.Row.FindControl("lbltotal"));
if (e.Row.RowType == DataControlRowType.DataRow)
{

price = ((Label)e.Row.FindControl("lblprice"));
quantity = ((Label)e.Row.FindControl("lblquantity"));
int total = Convert.ToInt32(price.Text)* Convert.ToInt32(quantity.Text);
total1.Text = total.ToString();

}
}
}


How to apply bold and color on particular Cell in Grid View.................

protected void GridView1_DataBound(object sender, EventArgs e)
    {
        foreach (GridViewRow grv in GridView2.Rows)
        {
        
            grv.Cells[1].Style["font-weight"] = "bold";
            grv.Cells[1].Style["Color"] = "Red";
        }
    }

0 comments:

Post a Comment