validate the user.

Question

hi.. i want to make a application in windows forms. I wish i want to validate the user. like enter name city dob and etc. are fill is compusly. How to do this ?? please explain.

Satyapriya Nayak · Answer

using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; namespace Validation_on_textbox { public partial class Form2 : Form { public Form2() { InitializeComponent(); } private void button1_Click(object sender EventArgs e) { foreach (Control c1 in this.Controls) { if (c1 is TextBox) { if (c1.Text == ) { MessageBox.Show(Name Field cannnot be blank); c1.BackColor = Color.Orange; textBox1.Focus(); } else { MessageBox.Show(Correct); c1.BackColor = Color.White; } } } clear(); } private void clear() { textBox1.Text = ; } } }

Sanjeeb Lenka · Answer

hi you can refer to this some examples are there. http://www.codeproject.com/Articles/13922/Validate-user-input-in-Windows-Forms http://www.dotnetfunda.com/codes/code109-textbox-validation-in-windows-application-using-csharp.aspx

Kunal Vaishya · Answer

Hi You can to check manually all fields length before Save data or you can also use errorprovider control for this refer this link http://www.dotnetperls.com/errorprovider