Friday 17 January 2014

How to use RowDataBound with Grid View wizard in Asp.Net

How to use RowDataBound with Grid View wizard in Asp.Net

-- Execute this query with SqlServer
create database GridViewPractice
use GridViewPractice
-- create table Student……………………
create table Student(RollNo int primary key,Name nvarchar(50),Subject nvarchar(50),Marks int,Age int)

First we take a Web Page Default.aspx with GridView and bind this grid with wizard concept then  we take template field which name is Result ……….

<%@ 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>
<div id="d1"><b><center>How to use RowDataBound with GridView wizard in Asp.Net</b><br /></center></div>
<div id="d2"><center>
<asp:GridView ID="GridView1" runat="server"
AutoGenerateColumns="False" DataKeyNames="RollNo"
DataSourceID="SqlDataSource1" BackColor="White" BorderColor="#3366CC"
BorderStyle="None" BorderWidth="1px" CellPadding="4"
onrowdatabound="GridView1_RowDataBound" ShowFooter="True">
<Columns>
<asp:BoundField DataField="RollNo" HeaderText="RollNo" ReadOnly="True"
SortExpression="RollNo" />
<asp:BoundField DataField="Name" HeaderText="Name" SortExpression="Name" />
<asp:BoundField DataField="Subject" HeaderText="Subject"
SortExpression="Subject" />
<asp:BoundField DataField="Age" HeaderText="Age" SortExpression="Age" />
<asp:BoundField DataField="Marks" HeaderText="Marks" SortExpression="Marks" />
<asp:TemplateField HeaderText="Result"></asp:TemplateField>
</Columns>
<FooterStyle BackColor="#99CCCC" ForeColor="#003399" />
<HeaderStyle BackColor="#003399" Font-Bold="True" ForeColor="#CCCCFF" />
<PagerStyle BackColor="#99CCCC" ForeColor="#003399" HorizontalAlign="Left" />
<RowStyle BackColor="White" ForeColor="#003399" />
<SelectedRowStyle BackColor="#009999" Font-Bold="True" ForeColor="#CCFF99" />
<SortedAscendingCellStyle BackColor="#EDF6F6" />
<SortedAscendingHeaderStyle BackColor="#0D4AC4" />
<SortedDescendingCellStyle BackColor="#D6DFDF" />
<SortedDescendingHeaderStyle BackColor="#002876" />
</asp:GridView>
<asp:SqlDataSource ID="SqlDataSource1" runat="server"
ConnectionString="<%$ ConnectionStrings:GridViewPracticeConnectionString %>"
DeleteCommand="DELETE FROM [Student] WHERE [RollNo] = @RollNo"
InsertCommand="INSERT INTO [Student] ([RollNo], [Name], [Subject], [Marks], [Age]) VALUES (@RollNo, @Name, @Subject, @Marks, @Age)"
SelectCommand="SELECT * FROM [Student] ORDER BY [RollNo]"
UpdateCommand="UPDATE [Student] SET [Name] = @Name, [Subject] = @Subject, [Marks] = @Marks, [Age] = @Age WHERE [RollNo] = @RollNo">
<DeleteParameters>
<asp:Parameter Name="RollNo" Type="Int32" />
</DeleteParameters>
<InsertParameters>
<asp:Parameter Name="RollNo" Type="Int32" />
<asp:Parameter Name="Name" Type="String" />
<asp:Parameter Name="Subject" Type="String" />
<asp:Parameter Name="Marks" Type="Int32" />
<asp:Parameter Name="Age" Type="Int32" />
</InsertParameters>
<UpdateParameters>
<asp:Parameter Name="Name" Type="String" />
<asp:Parameter Name="Subject" Type="String" />
<asp:Parameter Name="Marks" Type="Int32" />
<asp:Parameter Name="Age" Type="Int32" />
<asp:Parameter Name="RollNo" Type="Int32" />
</UpdateParameters>
</asp:SqlDataSource>
</center></div>
</div>
</form>
</body>
</html>


Code with 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.Drawing;

public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{

}
int total = 0;
int pass = 0;
int fail = 0;
int exec = 0;
protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
{

int m = (int)DataBinder.Eval(e.Row.DataItem, "Marks");
total++;
//  e.Row.Cells[5].Text = m > 40? "Pass" : "<blink>Fail</blink>";
if (m>=0 && m<=35 )
{
e.Row.Cells[5].Text = "<blink> fail</blink>";
e.Row.Cells[5].BackColor = Color.Lime;
e.Row.Cells[5].ForeColor = Color.Red;
fail++;
}
else if (m >= 36 && m <= 74)
{
e.Row.Cells[5].Text = "<blink> pass</blink>";
e.Row.Cells[5].BackColor = Color.Yellow;
e.Row.Cells[5].ForeColor = Color.Green;
pass++;
}
else if (m >=75 && m<=100)
{
e.Row.Cells[5].Text = "Excellent";
e.Row.Cells[5].BackColor = Color.Violet;
e.Row.Cells[5].ForeColor = Color.Black;
exec++;

}

}
//go  to GridView Property Show Footer=True
// code forvhow to  merge cells of Footer in GridView
if (e.Row.RowType == DataControlRowType.Footer)
{

//int c = e.Row.Cells.Count;
//e.Row.Cells[0].ColumnSpan = c;
//for (int i = 1; i < c ; i++)
//{
//    e.Row.Cells[i].Visible = false;
//}
int c = e.Row.Cells.Count;
e.Row.Cells.Clear();
e.Row.Cells.Add(new TableCell());
e.Row.Cells[0].ColumnSpan = c;
e.Row.Style["color"] = "Red";
e.Row.Cells[0].BackColor = Color.White;
e.Row.Cells[0].Text = "Total :=" + total + "  Pass := " + pass + "  Fail =" + fail + "Excellent =" + exec;

}
}
}








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