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How to use Tabs in ASP.NET CORE

I want to show Components in a tabs , so first of all create few components. In this project we have three components, First View Component  public class AllViewComponent : ViewComponent     {         private readonly UserManager<ApplicationUser> _userManager;         public AllViewComponent(UserManager<ApplicationUser> userManager)         {             _userManager = userManager;         }         public async Task<IViewComponentResult> InvokeAsync()         {             List<StudentViewModel> allUsers = new List<StudentViewModel>();             var items = await _userManager.Users.ToListAsync();             foreach (var item in items)             {                 allUsers.Add(new StudentViewModel {Id=item.Id, EnrollmentNo = item.EnrollmentNo, FatherName = item.FatherName, Name = item.Name, Age = item.Age, Birthdate = item.Birthdate, Address = item.Address, Gender = item.Gender, Email = item.Email });             }            

How to send E-Mail in ASP.NET


Step-1: Open Visual Studio
Step-2 : Create New Web Project


Step-3: In Solution Explorer Add new item 


Step-4: Select web form in middle pane also select c# in left pane

Step-5: Change name of the webform as "mailling.aspx" also select place code in separate file check box

Step-6: Download Ajax Control tool kit from 


Step-7: Right click on project and add reference to the project (add .dll file to com object)

Step-8: Also add ajax control tool kit to toolbox (By Rightclick on toolbox and choose items) 

Step-9: check this code for 


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

<%@ Register assembly="AjaxControlToolkit" namespace="AjaxControlToolkit" tagprefix="asp" %>
<%@ Register assembly="AjaxControlToolkit" namespace="AjaxControlToolkit.HTMLEditor" tagprefix="cc1" %>

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
    <style type="text/css">
        .auto-style1 {
            width: 99px;
        }
    </style>
</head>
<body>
    <form id="form1" runat="server">
        <asp:ScriptManager ID="ScriptManager1" runat="server"></asp:ScriptManager>
    <div>
    
        <table style="width:100%;">
            <tr>
                <td class="auto-style1">To:</td>
                <td>
                    <asp:TextBox ID="sendertxt" runat="server" Height="30px" Width="269px"></asp:TextBox>
                    <asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server" ControlToValidate="sendertxt" Display="Dynamic" ForeColor="Maroon">Field is required </asp:RequiredFieldValidator>
                    <asp:RegularExpressionValidator ID="RegularExpressionValidator1" runat="server" ControlToValidate="sendertxt" Display="Dynamic" ForeColor="Maroon" ValidationExpression="\w+([-+.']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*"></asp:RegularExpressionValidator>
                </td>
                <td>&nbsp;</td>
            </tr>
            <tr>
                <td class="auto-style1">CC</td>
                <td>
                    <asp:TextBox ID="TextBox2" runat="server" Height="30px" Width="269px"></asp:TextBox>
                </td>
                <td>&nbsp;</td>
            </tr>
            <tr>
                <td class="auto-style1">BCC</td>
                <td>
                    <asp:TextBox ID="TextBox3" runat="server" Height="30px" Width="269px"></asp:TextBox>
                </td>
                <td>&nbsp;</td>
            </tr>
            <tr>
                <td class="auto-style1">Subject</td>
                <td>
                    <asp:TextBox ID="subjecttxt" runat="server" Height="30px" Width="269px"></asp:TextBox>
                    <asp:RequiredFieldValidator ID="RequiredFieldValidator2" runat="server" ControlToValidate="subjecttxt" Display="Dynamic" ForeColor="Maroon"></asp:RequiredFieldValidator>
                </td>
                <td>&nbsp;</td>
            </tr>
            <tr>
                <td class="auto-style1">Body</td>
                <td>&nbsp;</td>
                <td>&nbsp;</td>
            </tr>
            <tr>
                <td class="auto-style1">&nbsp;</td>
                <td>
                    <cc1:Editor ID="Editor1" runat="server" />
                </td>
                <td>&nbsp;</td>
            </tr>
            <tr>
                <td class="auto-style1">&nbsp;</td>
                <td>
                    <asp:Button ID="Button1" runat="server" Text="Send" Width="63px" OnClick="Button1_Click" />
                </td>
                <td>&nbsp;</td>
            </tr>
        </table>
    
    </div>
    </form>
</body>
</html>




Step-10: Add this code to code behind file


using System;
using System.Net.Mail;

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

    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        MailMessage msg = new MailMessage();
        msg.To.Add(sendertxt.Text);
        msg.From = new MailAddress("narenkumar851@gmail.com");
        msg.CC.Add(TextBox2.Text);
        msg.Bcc.Add(TextBox3.Text);
        msg.Subject = subjecttxt.Text;
        msg.Body = Editor1.Content;
        SmtpClient smt = new SmtpClient();
        smt.EnableSsl = true;
        smt.Send(msg);


    }
}




Step-11: Add this code to web.config file


<system.net>
    <mailSettings>
      <smtp>
        <network host="smtp.gmail.com" userName="your gmail user name" password="your gmail password"/>
      </smtp>
    </mailSettings>
  </system.net>

Step-12 Run this Application

Step-13 Output


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