LogicInfoNet(Dot Net Tutorials): 2014

Friday, 20 June 2014

How we can add Facebook Like Box on our Websites

Facebook Like box for Website

Step - 1 Click on this link https://developers.facebook.com/docs/plugins/like-box-for-pages

Step - 2 Write your Facebook Page URL like : https://www.facebook.com/aspdotnetsandeep

Step - 3 Write Width & Height like : 220px & 150px , you can change according your need.

Step - 4 Check on Show header, Show Border & Show Friend Face.

Step - 5 Click on get code. (When you will click on Get code button they will show fb login window, if you are already login they will show you code else do login your fb account.

Step - 6 Click on IFRAME Tab.

Step - 7 They will generate you fb page plugins code. Copy this code and paste in your website page where you want appear this.

Note : Create your Fb Page First then follow above steps

Monday, 24 March 2014

About Me

I'm Sandeep Raturi. I have done MCA and working on Microsoft Technology.
I have more than 3.5 year experience in .Net. I like to write blog related technologies in my free time. And i also write for http://www.dotnetfunda.com.

Monday, 10 February 2014

Browser Back Button Disable Script

Put this inside of Head Tag

window.history.forward();

</script>

Saturday, 8 February 2014

Floting Social Links Facebook, Twitter, LinkedIn

Put this code between body and form tag

</div>

</div>

</div>

Wednesday, 5 February 2014

Help of session shown email id into next page

Database Field

id= int(auot increment and primary key)
username=varchar(50)
password=varchar(50)

//sessionexample.aspx

<div>
<pre>
Email: <asp:TextBox ID="name" runat="server"></asp:TextBox>
password:<asp:TextBox ID="pass" runat="server" TextMode="Password"></asp:TextBox>
<asp:Button ID="btn" runat="server" Text="login"
onclick="btn_Click" />
</pre>
</div>

C# code for sessionexample.aspx

protected void btn_Click(object sender, EventArgs e)
{
SqlDataAdapter dap = new SqlDataAdapter("select * from login where username='"+name.Text+"' and password='"+pass.Text+"'",con);
DataSet ds = new DataSet();
dap.Fill(ds);
Session["username"] = ds.Tables[0].Rows[0][1].ToString();
Response.Redirect("sessionexample2.aspx");
}

now we get the session ,create new page sessionexample2.aspx

<head>
<style type="text/css">a {text-decoration: none}</style>
</head>

<div>
<asp:Label ID="lb" runat="server" ForeColor="#6699FF" ></asp:Label> <a href="sessionexample.aspx" style="text-decoration: none; ">logout</a>
</div>

C# code for sessionexample2.aspx

protected void Page_Load(object sender, EventArgs e)
{
if (IsPostBack != true)
{

lb.Text = Session["username"].ToString();

}
}

How we can send mail in C#??

How we can send mail through C#??

Put this code into body tag

<div>
<table align="center">
<tr><td>To</td><td><asp:TextBox ID="to" runat="server"></asp:TextBox></td></tr></br>
<tr> <td> subject</td><td><asp:TextBox ID="sub" runat="server"></asp:TextBox></td></tr></br>

<tr><td>message</td><td><asp:TextBox ID="message" runat="server"
TextMode="MultiLine" Height="120px" Width="278px"></asp:TextBox></td></tr></br>

<tr> <td></td><td><asp:Button ID="btn" runat="server" Text="send"
onclick="btn_Click" Height="26px" Width="101px" /></td></tr>
</table>
</div>

C# code

using System.Net.Mail;

protected void clear()
{
to.Text = "";
sub.Text = "";
message.Text = "";

}
protected void btn_Click(object sender, EventArgs e)
{
try
{
MailMessage mail = new MailMessage();
mail.To.Add(to.Text);
mail.From = new MailAddress("sandeepraturi@gmail.com");
mail.Body = message.Text;
mail.Subject = sub.Text;
mail.IsBodyHtml = true;
SmtpClient smtp = new SmtpClient();
smtp.Host = "smtp.gmail.com";
smtp.Credentials = new System.Net.NetworkCredential
("sandeepraturi@gmail.com", "*********");
smtp.EnableSsl = true;
smtp.Send(mail);
Page.ClientScript.RegisterStartupScript(this.GetType(), "alert", "ok();", true);
}
catch
{
Response.Write("write correct email id");
}

clear();
}

Remove Underline from link

Put this in head tag

Put this in body tag

<div>
<asp:Label ID="lb" runat="server" ForeColor="#6699FF" ></asp:Label> <a href="pagename.aspx" style="text-decoration: none; ">logout</a>
</div>

Display record in gridview at the time of page load and download picture from gridview

Database Field

Table Name: tb_download

id= int(auto increment and primary key)
Name=varchar(50)
Date=Datetime
upload=varchar(50)

Put this code in body tag

<asp:ScriptManager ID="sp" runat="server"></asp:ScriptManager>
<table>
<h1>Information</h1>
<tr><td>
  
Name:<asp:TextBox ID="txtname" runat="server"></asp:TextBox></td></tr>
<tr><td>     Date:<asp:TextBox ID="txtdate" runat="server"></asp:TextBox><cc1:CalendarExtender
ID="CalendarExtender1" runat="server" TargetControlID="txtdate">
</cc1:CalendarExtender></td></tr>
<tr><td>Upload:<asp:FileUpload ID="file" runat="server" /></td></tr>
<tr><td align="center"><asp:Button ID="btn" runat="server" Text="Upload"
onclick="btn_Click" /></td></tr>
</table>
<asp:GridView ID="gv" runat="server" AutoGenerateColumns="False"
Height="188px" Width="300px" CellPadding="4" ForeColor="#333333"
GridLines="None" >
<AlternatingRowStyle BackColor="White" ForeColor="#284775" />
<Columns><asp:TemplateField HeaderText="Name">

<ItemTemplate>

<%#Eval("Name") %>
</ItemTemplate>

</asp:TemplateField>
<asp:TemplateField HeaderText="Date" >
<ItemTemplate>
<%#Eval("Date") %>

</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Download">
<ItemTemplate>
<a href='/upload/<%#Eval("Upload") %>'><%#Eval("Upload") %></a>

</ItemTemplate>
</asp:TemplateField>
</Columns>
<EditRowStyle BackColor="#999999" />
<FooterStyle BackColor="#5D7B9D" Font-Bold="True" ForeColor="White" />
<HeaderStyle BackColor="#5D7B9D" Font-Bold="True" ForeColor="White" />
<PagerStyle BackColor="#284775" ForeColor="White" HorizontalAlign="Center" />
<RowStyle BackColor="#F7F6F3" ForeColor="#333333" />
<SelectedRowStyle BackColor="#E2DED6" Font-Bold="True" ForeColor="#333333" />
<SortedAscendingCellStyle BackColor="#E9E7E2" />
<SortedAscendingHeaderStyle BackColor="#506C8C" />
<SortedDescendingCellStyle BackColor="#FFFDF8" />
<SortedDescendingHeaderStyle BackColor="#6F8DAE" />
</asp:GridView>

</div>

C# code

Note: Add upload folder in your project

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using System.Data.SqlClient;

namespace sandeep
{
public partial class WebForm2 : System.Web.UI.Page
{
SqlConnection con = new SqlConnection("server=SANDEEP-PC;database=Example;integrated security=true");

protected void Page_Load(object sender, EventArgs e)
{
if (IsPostBack != true)
{
BindData();
}
}
protected void btn_Click(object sender, EventArgs e)

{
if (file.HasFile)
{
String path = Server.MapPath("upload/");
String filename = file.FileName;
file.SaveAs(path + filename);
SqlCommand cmd = new SqlCommand("insert into tb_download values('" + txtname.Text + "','" + txtdate.Text + "','" +filename + "')", con);
con.Open();
cmd.ExecuteNonQuery();
clear();
con.Close();
BindData();
}
}

protected void clear()
{
txtdate.Text = "";
txtname.Text = "";
}

protected void BindData()
{
SqlDataAdapter dap = new SqlDataAdapter("select * from tb_download ", con);
DataSet ds = new DataSet();
dap.Fill(ds);

gv.DataSource = ds;
gv.DataBind();
}

}

}

Facebook Page Like button Code

Facebook Link Button Code :

Steps are :

Put this code into body tag:

<div >
<iframe src="https://www.facebook.com/plugins/like.php?
href=http://www.xyz/Home.aspx&layout=standard&show_faces=true&width=400&action=like&colorscheme=light"
scrolling="no" frameborder="0" style="border:none; width:250px; height:80px">
</iframe>
</div>

Note : write your facebook page link in place of this link http://www.xyz/Home.aspx .

Sunday, 2 February 2014

Simple code for Select Multiple Value from Cheakbox List and save into Database

Database

id = int(auto increment,primary key)
chk = varchar(50)

c# code

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using System.Data.SqlClient;

namespace sandeep
{
public partial class WebForm2 : System.Web.UI.Page
{
SqlConnection con = new SqlConnection("server=SANDEEP-PC;Database=data;Integrated Security=True");
protected void Page_Load(object sender, EventArgs e)
{
if (IsPostBack != true)
{

}
}

protected void btn_Click(object sender, EventArgs e)
{
string str = string.Empty;

for (int k = 0; k < Chk.Items.Count; k++)
{
if (Chk.Items[k].Selected == true)
{
str = str + Chk.Items[i].Text + ",";
}
}

con.Open();
SqlCommand cmd = new SqlCommand(" insert into chk values ('" +str+ "') " , con);
cmd.ExecuteNonQuery();
con.Close();

}

}
}

Create Fevicon for your Website

Note:

1. Create 16x16 px image .
2. Image Format must be in .ico format... (Example fevicon.ico )
3. Add this image into project.
4. Remind! only .ico format is allowed

put this inside of head tag

<head runat="server">
<title>Sandeep</title>
<link id="Link1" runat="server" href="fevicon.ico" type="image/x-icon"/>

</head>

Navigation on DropDownList SelectIndaxChanged Event

put this inside of DropdownList SelectIndexChanged

protected void dl_SelectedIndexChanged(object sender, EventArgs e)
{

if (dl.SelectedItem.Text == "Sandeep")
Response.Redirect("sandeep.aspx");

if (dl.SelectedItem.Text == "Pradeep")
Response.Redirect("pradeep.aspx");

if (dl.SelectedItem.Text == "Dinesh")
Response.Redirect("dinesh.aspx");

}

How we will show data at the runtime help of RadioButtonList SelectIndexChanged Event

put this code inside of body tag

<form id="form1" runat="server">
<div>
<h1>Example</h1>
<table>
<tr><td>Name:</td><td><asp:TextBox ID="name" runat ="server"></asp:TextBox></td></tr>
<tr><td>Age:</td><td><asp:TextBox ID="age" runat="server"></asp:TextBox></td></tr>
<tr><td valign="top">Are you married:</td><td><asp:RadioButtonList ID="RadioButtonList1"
runat="server" AutoPostBack="true" RepeatDirection="Horizontal"
onselectedindexchanged="RadioButtonList1_SelectedIndexChanged" >
<asp:ListItem>Yes</asp:ListItem>
<asp:ListItem>No</asp:ListItem>
</asp:RadioButtonList>
<asp:Panel ID="p1" runat="server">
Marriage date:  <asp:TextBox ID="date" runat="server"></asp:TextBox><br />
No. of Children:<asp:TextBox ID="child" runat="server"></asp:TextBox>
</asp:Panel>

</td>

</tr>
</table>

</div>
</form>

c# Code

protected void Page_Load(object sender, EventArgs e)
{
p1.Visible = false;
}
protected void RadioButtonList1_SelectedIndexChanged(object sender, EventArgs e)
{
if (RadioButtonList1.SelectedItem.Text == "Yes")
p1.Visible = true;
else
p1.Visible = false;
}

How we will use THEME in Asp.net

Note:

1. Firstly add one skin file in your project

put this code inside of skinfile form (skinfile.skin)

<asp:Label runat="server" BackColor="Yellow" ></asp:Label>
<asp:TextBox runat="server" ForeColor="Black" BackColor="Yellow"></asp:TextBox>
<asp:Button runat="server" ForeColor="Black" BackColor="Red" />

put this code inside of new form

Note:

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

Write following property in this form:
1. Theme ="SkinFile" // this is theme name
2. EnableTheming="true"

Submit three dropdownlist value into one database field

Database

Id bigint(Auto increment)
value varchar(50)

Html Code

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>Dropdownlist</title>
</head>
<body>
<form id="form1" runat="server">
<div width="300px" align="center">
<br />
<br />
<br />
<asp:DropDownList ID="dd" runat="server">
<asp:ListItem>1</asp:ListItem>
<asp:ListItem>2</asp:ListItem>
<asp:ListItem>3</asp:ListItem>
<asp:ListItem>4</asp:ListItem>
<asp:ListItem>5</asp:ListItem>
<asp:ListItem>6</asp:ListItem>
<asp:ListItem></asp:ListItem>
</asp:DropDownList>
<asp:DropDownList ID="mm" runat="server">
<asp:ListItem>Jan</asp:ListItem>
<asp:ListItem>Feb</asp:ListItem>
<asp:ListItem>Mar</asp:ListItem>
<asp:ListItem>Apr</asp:ListItem>
<asp:ListItem>May</asp:ListItem>
<asp:ListItem>Jun</asp:ListItem>
<asp:ListItem></asp:ListItem>
</asp:DropDownList>
<asp:DropDownList ID="yy" runat="server">
<asp:ListItem>2010</asp:ListItem>
<asp:ListItem>2011</asp:ListItem>
<asp:ListItem>2012</asp:ListItem>
<asp:ListItem>2013</asp:ListItem>
<asp:ListItem>2014</asp:ListItem>
<asp:ListItem>2015</asp:ListItem>
<asp:ListItem></asp:ListItem>
</asp:DropDownList>
<br />
<br />
<br />
</div>
<div align="center" width="300px">
<asp:Button ID="btn" runat="server" Text="Submit" onclick="btn_Click" />
<br />
</div>

</form>
</body>
</html>

C# Code

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 dropdownlist : System.Web.UI.Page
{
SqlConnection con = new SqlConnection("server=SANDEEP-PC;database=data;integrated security=true");
protected void Page_Load(object sender, EventArgs e)
{

}
protected void btn_Click(object sender, EventArgs e)
{
string s = dd.Text + "/" + mm.Text + "/" + yy.Text;
SqlCommand cmd = new SqlCommand("insert into dropdown values('"+s+"')",con);
con.Open();
cmd.ExecuteNonQuery();
con.Close();
}
}

Language Translator Script

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
<meta name="google-translate-customization" content="c485355c8c754f31-fe3dd5a5cb8710a9-g7f015acebd0dbc42-11" />
</head>
<body>
<form id="form1" runat="server">
<table>
<tr>
<td>
<div id="google_translate_element"></div>

<script type="text/javascript">
function googleTranslateElementInit() {
new google.translate.TranslateElement({ pageLanguage: 'en', includedLanguages: 'de,es,fr,bn,gu,hi,ja,ta,te,zh-CN', layout: google.translate.TranslateElement.InlineLayout.SIMPLE }, 'google_translate_element');
}
</script>
<script type="text/javascript" src="//translate.google.com/translate_a/element.js?cb=googleTranslateElementInit"></script>

</td>
</tr>
</table>
<div>
Language Translator code <br />

</div>

Set Focus on TextBox at Page Load

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>Set Focus on TextBox</title>
</head>
<body>
<form id="form1" runat="server">
<div align="center" style="width:300px">
<table>
<tr><td>Name:</td><td><asp:TextBox ID="TextBox1" runat="server" TabIndex="0"></asp:TextBox></td></tr>
<tr><td>FName:</td><td><asp:TextBox ID="TextBox2" runat="server" ></asp:TextBox></td></tr>
<tr><td>MName:</td><td><asp:TextBox ID="TextBox6" runat="server"></asp:TextBox></td></tr>
<tr><td>Address:</td><td><asp:TextBox ID="TextBox7" runat="server"></asp:TextBox></td></tr>
</table>
<br />
</div>
</form>
</body>
</html>

C# Code

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

public partial class set_focus : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
TextBox1.Focus();
}
}

Use of Panel in Asp.Net

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>Use of Panel</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:RadioButtonList ID="rd" runat="server" RepeatDirection="Horizontal" onselectedindexchanged="rd_SelectedIndexChanged" AutoPostBack="true" >
<asp:ListItem>Student</asp:ListItem>
<asp:ListItem>Employee</asp:ListItem>
</asp:RadioButtonList>

<asp:Panel ID="p1" runat="server">
<table cellpadding="1" cellspacing="2">
<tr><td>Name</td><td><asp:TextBox ID="TextBox1" runat="server"></asp:TextBox></td></tr>
<tr><td>Address</td><td><asp:TextBox ID="TextBox2" runat="server"></asp:TextBox></td></tr>
<tr><td>Qualification</td><td><asp:TextBox ID="TextBox4" runat="server"></asp:TextBox></td></tr>
<tr><td>Email</td><td><asp:TextBox ID="TextBox3" runat="server"></asp:TextBox></td></tr>
</table>
</asp:Panel>

<asp:Panel ID="p2" runat="server">
<table cellpadding="1" cellspacing="2">
<tr><td>Emp Name</td><td><asp:TextBox ID="TextBox5" runat="server"></asp:TextBox></td></tr>
<tr><td>Address</td><td><asp:TextBox ID="TextBox6" runat="server"></asp:TextBox></td></tr>
<tr><td>Previous Job</td><td><asp:TextBox ID="TextBox7" runat="server"></asp:TextBox></td></tr>
<tr><td>Salary</td><td><asp:TextBox ID="TextBox8" runat="server"></asp:TextBox></td></tr>
</table>
</asp:Panel>

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

C# Code

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

public partial class panel : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
p1.Visible = false;
p2.Visible = false;
}
protected void rd_SelectedIndexChanged(object sender, EventArgs e)
{

if (rd.SelectedItem.Text == "Student")
p1.Visible = true;

if (rd.SelectedItem.Text == "Employee")
p2.Visible = true;
}
}

Validation for Name, Email, contact No.

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>Validation in Asp.net</title>
</head>
<body>
<form id="form1" runat="server">
<table cellpadding="0" cellspacing="0">
<tr>
<td >Full Name<span style="color:#DA251C">*</span></td>

<td><asp:TextBox ID="TextBox1" runat="server" TabIndex="0" MaxLength="25" ToolTip="Enter your name"></asp:TextBox>  
<asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server" ErrorMessage="Required" ForeColor="#DA251C" ControlToValidate="TextBox1" Display="Dynamic" CssClass="validation" ></asp:RequiredFieldValidator>
<asp:RegularExpressionValidator ID="RegularExpressionValidator4" runat="server" ControlToValidate="TextBox1" ValidationExpression="^[a-z A-Z]*$" ErrorMessage="Invalid Name" ForeColor="#DA251C" CssClass="validation" Display="dynamic"></asp:RegularExpressionValidator>
</td>

</tr>
<tr>
<td >Contact no<span style="color:#DA251C">*</span></td>

<td><asp:TextBox ID="TextBox5" runat="server" MaxLength="10" ToolTip="Enter Contact no."></asp:TextBox>
<asp:RequiredFieldValidator ID="RequiredFieldValidator2" runat="server" ErrorMessage="Required" ForeColor="#DA251C" ControlToValidate="TextBox5" Display="dynamic" CssClass="validation" ></asp:RequiredFieldValidator>
<asp:RegularExpressionValidator ID="rg" runat="server" ControlToValidate="TextBox5" ValidationExpression="^[0-9]{10}$" ErrorMessage=" Invalid No." ForeColor="#DA251C" Display="Dynamic" CssClass="validation" ></asp:RegularExpressionValidator>
</td>

</tr>
<tr>
<td >E-mail <span style="color:#DA251C">*</span></td>

<td><asp:TextBox ID="TextBox6" runat="server" MaxLength="25" ToolTip="Enter Your Email Id"></asp:TextBox>
<asp:RequiredFieldValidator ID="RequiredFieldValidator6" runat="server" ErrorMessage="Required" ForeColor="#DA251C" ControlToValidate="TextBox6" Display="Dynamic" CssClass="validation" ></asp:RequiredFieldValidator>
<asp:RegularExpressionValidator ID="RegularExpressionValidator1" runat="server" ErrorMessage="Invalid E-mail" ForeColor="#DA251C" ControlToValidate="TextBox6" ValidationExpression="^[a-z][a-z|0-9|]*([_][a-z|0-9]+)*([.][a-z|0-9]+([_][a-z|0-9]+)*)?@[a-z][a-z|0-9|]*\.([a-z][a-z|0-9]*(\.[a-z][a-z|0-9]*)?)$" CssClass="validation" ></asp:RegularExpressionValidator>
</td>

</tr>

<tr><td colspan="2"><asp:Button ID="btn" runat="server" Text="Submit" /></td></tr>

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

Watermark on TextBox

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>Validation in Asp.net</title>

<script type="text/javascript" language="javascript">

</script>

</head>
<body>
<form id="form1" runat="server">
<table cellpadding="0" cellspacing="0">
<tr>
<td >Full Name<span style="color:#DA251C">*</span></td>

<td><asp:TextBox ID="TextBox1" runat="server" MaxLength="25" Text="Enter Name" onFocus="doClear(this)" onblur="doClear1(this)"></asp:TextBox>  
<asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server" ErrorMessage="Required" ForeColor="#DA251C" ControlToValidate="TextBox1" Display="Dynamic" CssClass="validation" ></asp:RequiredFieldValidator>
<asp:RegularExpressionValidator ID="RegularExpressionValidator4" runat="server" ControlToValidate="TextBox1" ValidationExpression="^[a-z A-Z]*$" ErrorMessage="Invalid Name" ForeColor="#DA251C" CssClass="validation" Display="dynamic"></asp:RegularExpressionValidator>
</td>

</tr>
<tr>
<td >Contact no<span style="color:#DA251C">*</span></td>

<td><asp:TextBox ID="TextBox5" runat="server" MaxLength="10" Text="Enter Contact" onFocus="doClear(this)" onblur="doClear1(this)" ></asp:TextBox>
<asp:RequiredFieldValidator ID="RequiredFieldValidator2" runat="server" ErrorMessage="Required" ForeColor="#DA251C" ControlToValidate="TextBox5" Display="dynamic" CssClass="validation" ></asp:RequiredFieldValidator>
<asp:RegularExpressionValidator ID="rg" runat="server" ControlToValidate="TextBox5" ValidationExpression="^[0-9]{10}$" ErrorMessage=" Invalid No." ForeColor="#DA251C" Display="Dynamic" CssClass="validation" ></asp:RegularExpressionValidator>
</td>

</tr>
<tr>
<td >E-mail <span style="color:#DA251C">*</span></td>

<td><asp:TextBox ID="TextBox6" runat="server" MaxLength="25" Text="Enter Email" onFocus="doClear(this)" onblur="doClear1(this)"></asp:TextBox>
<asp:RequiredFieldValidator ID="RequiredFieldValidator6" runat="server" ErrorMessage="Required" ForeColor="#DA251C" ControlToValidate="TextBox6" Display="Dynamic" CssClass="validation" ></asp:RequiredFieldValidator>
<asp:RegularExpressionValidator ID="RegularExpressionValidator1" runat="server" ErrorMessage="Invalid E-mail" ForeColor="#DA251C" ControlToValidate="TextBox6" ValidationExpression="^[a-z][a-z|0-9|]*([_][a-z|0-9]+)*([.][a-z|0-9]+([_][a-z|0-9]+)*)?@[a-z][a-z|0-9|]*\.([a-z][a-z|0-9]*(\.[a-z][a-z|0-9]*)?)$" CssClass="validation" ></asp:RegularExpressionValidator>
</td>

</tr>

<tr><td colspan="2"><asp:Button ID="btn" runat="server" Text="Submit" /></td></tr>

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

Validation Summery in Asp.net

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>Validation Summery in Asp.net</title>
</head>
<body>
<form id="form1" runat="server">
<table cellpadding="0" cellspacing="0">
<tr>
<td >Full Name<span style="color:#DA251C">*</span></td>

<td><asp:TextBox ID="TextBox1" runat="server" MaxLength="25" ></asp:TextBox>  
<asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server" ErrorMessage="Enter Name" ForeColor="#DA251C" ControlToValidate="TextBox1" Display="none" CssClass="validation" ></asp:RequiredFieldValidator>
<asp:RegularExpressionValidator ID="RegularExpressionValidator4" runat="server" ControlToValidate="TextBox1" ValidationExpression="^[a-z A-Z]*$" ErrorMessage="Invalid Name , Numeric is not allowed" ForeColor="#DA251C" CssClass="validation" Display="none"></asp:RegularExpressionValidator>
</td>

</tr>
<tr>
<td >Contact no<span style="color:#DA251C">*</span></td>

<td><asp:TextBox ID="TextBox5" runat="server" MaxLength="10" ></asp:TextBox>
<asp:RequiredFieldValidator ID="RequiredFieldValidator2" runat="server" ErrorMessage="Enter Contact" ForeColor="#DA251C" ControlToValidate="TextBox5" Display="none" CssClass="validation" ></asp:RequiredFieldValidator>
<asp:RegularExpressionValidator ID="rg" runat="server" ControlToValidate="TextBox5" ValidationExpression="^[0-9]{10}$" ErrorMessage=" Invalid No. " ForeColor="#DA251C" Display="none" CssClass="validation" ></asp:RegularExpressionValidator>
</td>

</tr>
<tr>
<td >E-mail <span style="color:#DA251C">*</span></td>

<td><asp:TextBox ID="TextBox6" runat="server" MaxLength="25" ></asp:TextBox>
<asp:RequiredFieldValidator ID="RequiredFieldValidator6" runat="server" ErrorMessage="Enter Email" ForeColor="#DA251C" ControlToValidate="TextBox6" Display="none" CssClass="validation" ></asp:RequiredFieldValidator>
<asp:RegularExpressionValidator ID="RegularExpressionValidator1" runat="server" ErrorMessage="Invalid E-mail" ForeColor="#DA251C" ControlToValidate="TextBox6" ValidationExpression="^[a-z][a-z|0-9|]*([_][a-z|0-9]+)*([.][a-z|0-9]+([_][a-z|0-9]+)*)?@[a-z][a-z|0-9|]*\.([a-z][a-z|0-9]*(\.[a-z][a-z|0-9]*)?)$" CssClass="validation" Display="none" ></asp:RegularExpressionValidator>
</td>

</tr>

<tr><td colspan="2">

<div style="display:none">
<asp:ValidationSummary ID="vs" runat="server" ShowMessageBox="true" />

</div>
</td></tr>

<tr><td colspan="2"><asp:Button ID="btn" runat="server" Text="Submit" /></td></tr>

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

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