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Dynamically Change Asp.Net GridView Row Background Color Based on Condition in C# and VB.Net

Apr 5, 2015
Introduction

Here I will explain how dynamically change gridview row background color based on condition in
asp.net using css classes in c#, vb.net with example or dynamically change asp.net gridview row background color based on condition in c#, vb.net with example.


To implement this first we need to write the code following code in your aspx page


<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title> Dynamically change GridView Row Background Color based on condition in ASP.Net using C# and VB.Net</title>
<style type="text/css">
body
{
font-family:Calibri;
}
.btechcss
{
background:#df5015;
font-weight:bold;
color:White;
}
.mscss
{
background:Green;
font-weight:bold;
color:White;
}
</style>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:GridView ID="gvDetails" runat="server" OnRowDataBound="gvDetails_RowDataBound">
</asp:GridView>
</div>
</form>
</body>
</html>
Now open code behind file and add following namespaces

C# Code


using System;
using System.Data;
using System.Web.UI.WebControls;
Now write the following code in your application to bind gridview and change background row color based on conditions


protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
BindGridview();
}
private void BindGridview()
{
DataTable dt = new DataTable();
dt.Columns.Add("UserId", typeof(Int32));
dt.Columns.Add("UserName", typeof(string));
dt.Columns.Add("Education", typeof(string));
dt.Rows.Add(1, "Suresh Dasari", "B.Tech");
dt.Rows.Add(2, "Rohini Dasari", "Msc");
dt.Rows.Add(3, "Madhav Sai", "Ms");
dt.Rows.Add(4, "Praveen", "B.Tech");
dt.Rows.Add(6, "Sateesh", "MD");
dt.Rows.Add(7, "Mahesh Dasari", "B.Tech");
dt.Rows.Add(8, "Mahendra", "CA");
gvDetails.DataSource = dt;
gvDetails.DataBind();
}
protected void gvDetails_RowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
foreach (TableCell row in e.Row.Cells)
{
if (e.Row.Cells[2].Text == "B.Tech")
{
row.CssClass = "btechcss";
}
if (e.Row.Cells[2].Text.Contains("Ms"))
{
row.CssClass = "mscss";
}
}
}
}
VB.NET Code


Imports System.Data
Imports System.Web.UI.WebControls
Partial Class VBCode
Inherits System.Web.UI.Page
Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs) Handles Me.Load
If Not IsPostBack Then
BindGridview()
End If
End Sub
Private Sub BindGridview()
Dim dt As New DataTable()
dt.Columns.Add("UserId", GetType(Int32))
dt.Columns.Add("UserName", GetType(String))
dt.Columns.Add("Education", GetType(String))
dt.Rows.Add(1, "Suresh Dasari", "B.Tech")
dt.Rows.Add(2, "Rohini Dasari", "Msc")
dt.Rows.Add(3, "Madhav Sai", "Ms")
dt.Rows.Add(4, "Praveen", "B.Tech")
dt.Rows.Add(6, "Sateesh", "MD")
dt.Rows.Add(7, "Mahesh Dasari", "B.Tech")
dt.Rows.Add(8, "Mahendra", "CA")
gvDetails.DataSource = dt
gvDetails.DataBind()
End Sub
Protected Sub gvDetails_RowDataBound(ByVal sender As Object, ByVal e As GridViewRowEventArgs)
If e.Row.RowType = DataControlRowType.DataRow Then
For Each row As TableCell In e.Row.Cells
If e.Row.Cells(2).Text = "B.Tech" Then
row.CssClass = "btechcss"
End If
If e.Row.Cells(2).Text.Contains("Ms") Then
row.CssClass = "mscss"
End If
Next
End If
End Sub
End Class
Demo


Download Sample Attached


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1 comments :

Anonymous said...

Simple & bset

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