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Thursday, 23 May 2013

How To Display Rows as Columns in Grid view in Asp.net using C# And VB.NET

How To Display Rows as Columns in Grid view in Asp.net using C# And VB.NET


Program:

.Aspx File

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="rawascolum.aspx.cs" Inherits="rawascolum" %>

<!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>Raw As Columns</title>
    <style type="text/css">
body
{
font-family:Calibri;
}
.gridcss
{
background:#B52025;
font-weight:bold;
color:White;
}
</style>
</head>
<body>
    <form id="form1" runat="server">
    <div>
    <table>
<tr>
<td><b>Normal Gridview</b></td>
<td>&nbsp;&nbsp;</td>
<td><b>Converted Gridview</b></td>
</tr>
<tr>
<td>
<asp:GridView ID="gvnormal" runat="server">
<HeaderStyle BackColor="#B52025" Font-Bold="true" ForeColor="White" />
</asp:GridView>
</td>
<td>&nbsp;&nbsp;</td>
<td>
<asp:GridView ID="gvconverted" runat="server" OnRowDataBound=gvconverted_RowDataBound>
</asp:GridView>
</td>
</tr>
</table>
    </div>
    </form>
</body>
</html>

.CS File

using System;
using System.Data;
using System.Data.SqlClient;
using System.Web.UI.WebControls;

public partial class rawascolum : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            BindGridviewData();
        }
    }
    protected void BindGridviewData()
    {
        DataTable dt = new DataTable();
        dt.Columns.Add("UserId", typeof(Int32));
        dt.Columns.Add("UserName", typeof(string));
        dt.Columns.Add("Education", typeof(string));
        dt.Columns.Add("Location", typeof(string));
        DataRow dtrow = dt.NewRow();  
        dtrow["UserId"] = 1;          
        dtrow["UserName"] = "SureshDasari";
        dtrow["Education"] = "B.Tech";
        dtrow["Location"] = "Chennai";
        dt.Rows.Add(dtrow);
        dtrow = dt.NewRow();            
        dtrow["UserId"] = 2;            
        dtrow["UserName"] = "MadhavSai";
        dtrow["Education"] = "MBA";
        dtrow["Location"] = "Nagpur";
        dt.Rows.Add(dtrow);
        dtrow = dt.NewRow();          
        dtrow["UserId"] = 3;          
        dtrow["UserName"] = "MaheshDasari";
        dtrow["Education"] = "B.Tech";
        dtrow["Location"] = "Nuzividu";
        dt.Rows.Add(dtrow);
        gvnormal.DataSource = dt;
        gvnormal.DataBind();
        gvconverted.DataSource = ConvertColumnsAsRows(dt);
        gvconverted.DataBind();
        gvconverted.HeaderRow.Visible = false;
    }
    protected void gvconverted_RowDataBound(object sender, GridViewRowEventArgs e)
    {
        if (e.Row.RowType == DataControlRowType.DataRow)
        {
            e.Row.Cells[0].CssClass = "gridcss";
        }
    }
 
    public DataTable ConvertColumnsAsRows(DataTable dt)
    {
        DataTable dtnew = new DataTable();
     
        for (int i = 0; i <= dt.Rows.Count; i++)
        {
            dtnew.Columns.Add(Convert.ToString(i));
        }
        DataRow dr;
     
        for (int j = 0; j < dt.Columns.Count; j++)
        {
            dr = dtnew.NewRow();
            dr[0] = dt.Columns[j].ToString();
            for (int k = 1; k <= dt.Rows.Count; k++)
                dr[k] = dt.Rows[k - 1][j];
            dtnew.Rows.Add(dr);
        }
        return dtnew;
    }
}

VB File

aImports System.Data
Imports System.Web.UI.WebControls

Partial Class Default2
Inherits System.Web.UI.Page
Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs) Handles Me.Load
If Not IsPostBack Then
BindGridviewData()
End If
End Sub
Protected Sub BindGridviewData()
Dim dt As New DataTable()
dt.Columns.Add("UserId", GetType(Int32))
dt.Columns.Add("UserName", GetType(String))
dt.Columns.Add("Education", GetType(String))
dt.Columns.Add("Location", GetType(String))
Dim dtrow As DataRow = dt.NewRow()
' Create New Row
dtrow("UserId") = 1
'Bind Data to Columns
dtrow("UserName") = "SureshDasari"
dtrow("Education") = "B.Tech"
dtrow("Location") = "Chennai"
dt.Rows.Add(dtrow)
dtrow = dt.NewRow()
' Create New Row
dtrow("UserId") = 2
'Bind Data to Columns
dtrow("UserName") = "MadhavSai"
dtrow("Education") = "MBA"
dtrow("Location") = "Nagpur"
dt.Rows.Add(dtrow)
dtrow = dt.NewRow()
' Create New Row
dtrow("UserId") = 3
'Bind Data to Columns
dtrow("UserName") = "MaheshDasari"
dtrow("Education") = "B.Tech"
dtrow("Location") = "Nuzividu"
dt.Rows.Add(dtrow)
gvnormal.DataSource = dt
gvnormal.DataBind()
gvconverted.DataSource = ConvertColumnsAsRows(dt)
gvconverted.DataBind()
gvconverted.HeaderRow.Visible = False
End Sub
Protected Sub gvconverted_RowDataBound(ByVal sender As Object, ByVal e As GridViewRowEventArgs)
If e.Row.RowType = DataControlRowType.DataRow Then
e.Row.Cells(0).CssClass = "gridcss"
End If
End Sub
Public Function ConvertColumnsAsRows(ByVal dt As DataTable) As DataTable
Dim dtnew As New DataTable()
For i As Integer = 0 To dt.Rows.Count
dtnew.Columns.Add(Convert.ToString(i))
Next
Dim dr As DataRow

For j As Integer = 0 To dt.Columns.Count - 1
dr = dtnew.NewRow()
dr(0) = dt.Columns(j).ToString()
For k As Integer = 1 To dt.Rows.Count
dr(k) = dt.Rows(k - 1)(j)
Next
dtnew.Rows.Add(dr)
Next
Return dtnew
End Function
End Class

Demo:

How To Display Rows as Columns in Grid view in Asp.net using C# And VB.NET
How To Display Rows as Columns in Grid view in Asp.net using C# And VB.NET

Download Demo

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