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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 use TextBox control in ASP.NET

Introduction

The TextBox control is an input control , which allows you to enter text. The TextBox control exists within the System.Web.UI.WebControls namespace.
You can set the style of the TextBox by using the TextMode property . By default , the TextMode property is set to SingleLine to create a single-line HTML . text field but it can also be set to MultiLine for a multiline textbox.
You can convert a mode of TextBox control to a Password control, where the text, which the user types is masked with special symbols such as asterisks (*).
The display width of a textbox is set with its columns property and if it is a multiline textbox , the display height is set with the Rows property.

Public Properties of the TextBox Classes
AutoCompleteType : Obtains or sets a value that indicates the AutoComplete behavior of the TextBox control.
AutoPostBack : Obtains or sets a value that indicates whether an automatic postback to the server occurs when the TextBox control loses focus.
CausesValidation : Obtains or sets a value indicating whether validation is performed when the textbox control is set to validate when a postback occurs.
Columns : Obtains or set the display width of the textbox in characters.
MaxLength : Obtains or sets the maximum number of characters allowed in the textbox.
ReadOnly : Obtains or sets a value indicating whether the contents of the TextBox control can be changed.
Rows : Obtains or sets the number of rows displayed in a multiline textbox.
Text : Obtains or sets the text content of the TextBox control.



TextMode : Obtains or sets the behavior mode (single-line , multiline or password) of the TextBox control.
ValidationGroup : Obtains or sets the group of controls for which the TextBox control causes validation when it postback to the server.
Wrap : Obtains or sets a value indicating whether the text content wraps within a multiline textbox.

Public Event of the TextBox Class
TextChanged : Occurs when the user changes the text of the TextBox.


Example of the TextBox Control

<%@ Page Language="C#" %>
<!DOCTYPE html>
<script runat="server">
    protected void Button1_Click(object sender, EventArgs e)
    {
        TextBox1.Text = " this is the single line textbox";
        TextBox2.Text = " this is the multi-line text box having 10 rows.";
        TextBox4.Text = TextBox3.Text;
    }
</script>

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
 
        <asp:Label ID="Label1" runat="server" style="font-weight: 700" Text="Different types of TextBox control"></asp:Label>
        <br />
        <br />
        <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="Click me" />
        <br />
        <br />
        <asp:TextBox ID="TextBox1" runat="server" Height="27px" Width="220px"></asp:TextBox>
        <br />
        <br />
        <asp:TextBox ID="TextBox2" runat="server" Rows="10" TextMode="MultiLine"></asp:TextBox>
        <br />
        <br />
        <asp:Label ID="Label2" runat="server" style="font-weight: 700" Text="Enter Password"></asp:Label>
        <br />
        <asp:TextBox ID="TextBox3" runat="server" Height="23px" TextMode="Password" Width="211px"></asp:TextBox>
        <br />
        <br />
        <asp:TextBox ID="TextBox4" runat="server" Height="23px" Width="206px"></asp:TextBox>
 
    </div>
    </form>
</body>
</html>

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