Minifycode 2021-10-03 Viewed 1.3K times ASP.NET MVC

In this article, you will learn how to check if ViewBag property is null or not exists in asp.net MVC

 

 <table id="default-datatable" class="table table-bordered">
                            <thead>
                                <tr>
                                    <th>Edit</th>
                                    <th>Title</th>
                                    <th>Publish Status</th>
                                    <th>Desc.</th>                                   
                                </tr>
                            </thead>
                            <tbody>
                                @if(ViewBag.dtArticleList !=null)
                                { 
                                foreach (System.Data.DataRow item in ViewBag.dtArticleList.Rows)
                                {
                                    <tr class="">
                                        <td>
                                            <div>
                                                <p style="text-align:match-parent; white-space:normal; max-width:300px;"><a href="/user/EditArticle?ID=@item["ID"].ToString()">EDIT</a></p>
                                            </div>
                                        </td>
                                        <td>@item["OriginalTitle"]</td>
                                        @if (@item["PublishStatus"].ToString() == "5")
                                        {
                                            <td style="color:red;">Pending</td>
                                        }
                                        else if (@item["PublishStatus"].ToString() == "0")
                                        {
                                            <td style="color:blue;">Published</td>
                                        }
                                        <td>@Html.Raw(@item["Description"])</td>
                                        
                                       
                                        @*<td>
                                            <a href="#" data-toggle="modal" data-target="#darkmodal" onclick="javascript:Edit(@item.galleryID);">Edit</a>
                                        </td>*@
                                    </tr>
                                }
                                }
                            </tbody>
                        </table>

How to check if ViewBag property is null or not exists in asp.net MVC
public static byte[] CreateHTMLtoPDF(string HtmlString) { var htmlContent = String.Format(HtmlString); var htmlToPdf = new NReco.PdfGenerator.HtmlToPdfConverter(); htmlToPdf.Orientation = NReco.PdfGenerator.PageOrientation.Landscape; //var Orientation = new NReco.PdfGenerator.HtmlToPdfConverter().Orientation=NReco.PdfGenerator.PageOrientation.Landscape; htmlToPdf.Size = NReco.PdfGenerator.PageSize.A4; //htmlToPdf.Zoom = -0.55f; var pageMargin = new NReco.PdfGenerator.HtmlToPdfConverter().Margins; //htmlToPdf.PageHeight= 210; //htmlToPdf.PageWidth = 297; pageMargin.Left = 25; pageMargin.Right = 25; pageMargin.Bottom = 25; pageMargin.Top = 25; var pdfBytes = htmlToPdf.GeneratePdf(htmlContent); byte[] bytes; using (MemoryStream input = new MemoryStream(pdfBytes)) { using (MemoryStream output = new MemoryStream()) { string userpassword = "123";//Change it with User DOB Format dd-MM-yyyy string Ownerpassword = "123";//Change it with whatever owner is wanted PdfReader reader = new PdfReader(input); PdfEncryptor.Encrypt(reader, output, true, userpassword, Ownerpassword, PdfWriter.ALLOW_SCREENREADERS); bytes = output.ToArray(); //Response.ContentType = "application/pdf"; //Response.AddHeader("content-disposition", "attachment;filename=GridViewExport.pdf"); //Response.Cache.SetCacheability(HttpCacheability.NoCache); //Response.BinaryWrite(bytes); //Response.End(); } } return bytes; } <%@ Page Language="C#" AutoEventWireup="true" CodeBehind="SendOTP.aspx.cs" Inherits="Shoping_Cart.SendOTP" %> <!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <title>How to Send and Verify OTP On Mobile No Using C# In Asp.Net</title> </head> <body> <form id="form1" runat="server"> <div> Mobile No: <asp:TextBox ID="txtMobileNo" runat="server" Width="200px"></asp:TextBox> <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="Send OTP" /> <br /> <asp:Label ID="lblMessage" runat="server" Text=""></asp:Label> </div> </form> </body> </html> using System; using System.Collections.Generic; using System.IO; using System.Linq; using System.Net; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; namespace Shoping_Cart { public partial class SendOTP : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { } protected void Button1_Click(object sender, EventArgs e) { try { Random r = new Random(); string OTP = r.Next(1000, 9999).ToString(); //Send message string Username = "youremail@domain.com"; string APIKey = "YourHash"; string SenderName = "MyName"; string Number = "981111111"; string Message = "OTP code is - " + OTP; string URL = "http://api.minifycode.in/send/?username=" + Username + "&hash=" + APIKey + "&sender=" + SenderName + "&numbers=" + Number + "&message=" + Message; HttpWebRequest req = (HttpWebRequest)WebRequest.Create(URL); HttpWebResponse resp = (HttpWebResponse)req.GetResponse(); StreamReader sr = new StreamReader(resp.GetResponseStream()); string results = sr.ReadToEnd(); sr.Close(); Session["OTP"] = OTP; //Redirect for varification Response.Redirect("VerifyOTP.aspx"); } catch (Exception ex) { lblMessage.Text = ex.Message.ToString(); } } } } <%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Verify.aspx.cs" Inherits="Cart.VerifyOTP" %> <!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <title>Verify OTP</title> </head> <body> <form id="form1" runat="server"> <div> OTP: <asp:TextBox ID="txtOTP" runat="server" Width="200px"></asp:TextBox> <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="Verify OTP" /> <br /> <asp:Label ID="lblMessage" runat="server" Text=""></asp:Label> </div> </form> </body> </html> using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; namespace Cart { public partial class OTP : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { } protected void Button1_Click(object sender, EventArgs e) { if (Session["OTP"].ToString() == txtOTP.Text) { lblMessage.Text = "You have enter correct OTP."; Session["OTP"] = null; } else { lblMessage.Text = "Pleae enter correct OTP."; } } } }