How to send SMS to Mobile Number in asp.net

To send an SMS to a mobile number in ASP.NET, you can use an SMS gateway API like Twilio. Below, I'll outline the steps and provide example code for creating two web forms, SmsManager1 and SmsManager2, and implementing the described functionality.

Step 1: Create the ASP.NET Web Forms Project

1. Open Visual Studio and create a new ASP.NET Web Forms project.
2. Add the necessary NuGet packages (e.g., Twilio).

Step 2: Design SmsManager1 Web Form

1. In SmsManager1.aspx, design the form with a GridView, a TextBox for the mobile number, and buttons for "Search" and "Send SMS".

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="SmsManager1.aspx.cs" Inherits="YourNamespace.SmsManager1" %>



    


    

        

            
            
            
            
            
        
    

Step 3: Design SmsManager2 Web Form

1. In SmsManager2.aspx, design the form with a TextBox for the mobile number and another for the SMS content, along with "Save" and "Send" buttons.

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="SmsManager2.aspx.cs" Inherits="YourNamespace.SmsManager2" %>



    


    

        

            
            
            
            
        
    

Step 4: Implement Code-Behind Logic

SmsManager1.aspx.cs
 

using System;
using System.Web.UI;

namespace YourNamespace
{
    public partial class SmsManager1 : Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
        }

        protected void btnSearch_Click(object sender, EventArgs e)
        {
            // Implement search functionality here
        }

        protected void btnSendSMS_Click(object sender, EventArgs e)
        {
            // Redirect to SmsManager2 with the mobile number
            string mobileNumber = txtMobileNumber.Text;
            Response.Redirect($"SmsManager2.aspx?mobileNumber={mobileNumber}");
        }
    }
}

SmsManager2.aspx.cs
 

using System;
using System.Web.UI;
using Twilio;
using Twilio.Rest.Api.V2010.Account;

namespace YourNamespace
{
    public partial class SmsManager2 : Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                string mobileNumber = Request.QueryString["mobileNumber"];
                txtMobileNumber.Text = mobileNumber;
            }
        }

        protected void btnSave_Click(object sender, EventArgs e)
        {
            // Save the message to a database or other storage
        }

        protected void btnSend_Click(object sender, EventArgs e)
        {
            string mobileNumber = txtMobileNumber.Text;
            string message = txtMessage.Text;

            // Your Twilio credentials
            string accountSid = "your_account_sid";
            string authToken = "your_auth_token";

            TwilioClient.Init(accountSid, authToken);

            var messageOptions = new CreateMessageOptions(
                new Twilio.Types.PhoneNumber(mobileNumber))
            {
                From = new Twilio.Types.PhoneNumber("your_twilio_phone_number"),
                Body = message
            };

            var msg = MessageResource.Create(messageOptions);

            // Optionally, save the message to a database and update the GridView
        }
    }
}

Step 5: Update GridView

• To update the GridView in SmsManager1, you can store the messages in a database and bind the GridView to the data source.

// Example method to bind GridView
private void BindGridView()
{
    // Fetch messages from database and bind to GridView
    gvMessages.DataSource = GetMessagesFromDatabase();
    gvMessages.DataBind();
}

// Call this method in the Page_Load event or after sending/saving messages
BindGridView();

This example demonstrates the basic structure and logic for sending SMS from an ASP.NET Web Forms application using Twilio. Adjust the implementation as needed based on your specific requirements and data storage solutions.