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How to use Tabs in ASP.NET CORE

By Jacob
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 });             }            
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ASP.NET: Total list item count in DropDownlist

By Jacob
Example of count List Item
<%@ Page Language="C#" %>
<!DOCTYPE html>
<script runat="server">
    protected void Button1_Click(object sender, EventArgs e)
    {
        string s = "Total item of the dropdownlist are<br/>";
        s = s + DropDownList1.Items.Count;
        string s1 = "Total item of the listbox are <br/>";
        s1 = s1 + ListBox1.Items.Count;
        Label1.Text = s + "<br/>" + s1;
       
    }
</script>

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <strong>HOW TO COUNT LISTITEM IN A DROPDOWNLIST</strong>
        <br />
        <asp:DropDownList ID="DropDownList1" runat="server" Height="46px" Width="133px">
            <asp:ListItem>Item-1</asp:ListItem>
            <asp:ListItem>Item-2</asp:ListItem>
        </asp:DropDownList>
        <br />
        <strong>HOW TO COUNT LISTITEM IN A LISTBOX<br />
        </strong>
        <asp:ListBox ID="ListBox1" runat="server" Height="136px" Width="123px">
            <asp:ListItem>ListItem-1</asp:ListItem>
            <asp:ListItem>ListItem-2</asp:ListItem>
            <asp:ListItem>ListItem-3</asp:ListItem>
            <asp:ListItem>ListItem-4</asp:ListItem>
        </asp:ListBox>
        <br />
        <br />
        <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="Count" />
        <br />
        <br />
        <asp:Label ID="Label1" runat="server"></asp:Label>
        <br />
        <br />

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

Output
ASP.NET: Total list item count in DropDownlist

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How to use Tabs in ASP.NET CORE

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