Email Address Validation To Window Application C#
Email Address Enter To Textbox Validation Check Suppose Error Occur Open Popup Using window Application C#.
DEMO
C# CODING
Email Address Enter To Textbox Validation Check Suppose Error Occur Open Popup Using window Application C#.
DEMO
C# CODING
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace WindowsFormsApplication2
{
public partial class Email : Form
{
public Email()
{
InitializeComponent();
}
private void txtEmailId_Validating(object sender, CancelEventArgs e)
{
System.Text.RegularExpressions.Regex RegEmail =
new System.Text.RegularExpressions.Regex(@"^[a-zA-Z][\w\.-]*[a-zA-Z0-9]@[a-zA-Z0-9][\w\.-]*[a-zA-Z0-9]\.[a-zA-Z][a-zA-Z\.]*[a-zA-Z]$");
if (txtEmailId.Text.Length > 0 && txtEmailId.Text.Trim().Length != 0)
{
if (!RegEmail.IsMatch(txtEmailId.Text.Trim()))
{
MessageBox.Show("Invalid Email Id", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
txtEmailId.SelectAll();
//e.Cancel = true;
}
}
}
}
}
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