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 }); }
Each control in ASP.NET ToolBox of visual studio, treat as a class. Property window shows the behavior of their controls also contains some common property, such as back-color, border color etc. Now in this article, we will take a simple example to change the background color of ASP.NET file upload control.
Description
I explained, ASP.NET FILEUPLOAD CONTROL change border color, File upload control enable/disable.
Description
I explained, ASP.NET FILEUPLOAD CONTROL change border color, File upload control enable/disable.
Source code
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="fileupload_backcolor.aspx.cs" Inherits="fileupload_backcolor" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
Enter Alpha color :
<asp:TextBox ID="TextBox1" runat="server" Width="202px"></asp:TextBox>
<br />
Enter Red Color :
<asp:TextBox ID="TextBox2" runat="server" Width="202px"></asp:TextBox>
<br />
Enter Green Color:
<asp:TextBox ID="TextBox3" runat="server" Width="202px"></asp:TextBox>
<br />
Enter Blue Color :
<asp:TextBox ID="TextBox4" runat="server" Width="202px"></asp:TextBox>
<br />
<br />
<asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="Change Fileupload background color" Width="260px" />
<br />
<br />
</div>
<asp:FileUpload ID="FileUpload1" runat="server" Height="51px" Width="311px" />
</form>
</body>
</html>
Code Behind 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 fileupload_backcolor : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void Button1_Click(object sender, EventArgs e)
{
int alpha = int.Parse(TextBox1 .Text);
int red = int.Parse(TextBox2.Text);
int green = int.Parse(TextBox3.Text);
int blue = int.Parse(TextBox4.Text);
FileUpload1.BackColor = System.Drawing.Color.FromArgb(alpha, red, green, blue);
}
}
Code Generate the following output
In this example, we are taking four textboxes, one button, one file upload control. Using text box we can input the color code value and pass these values into the FromArgb ( ) method. This example is basically designed for users, who want to change the color of file upload control at run time.
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