validation in textbox

Question

i have textbox in that textbox i dont want to type any thing on the text.how to validate this Regards, RAO

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 Textbox { public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void textBox1_Leave(object sender, EventArgs e) { foreach (Control cnt in this.Controls) { if (cnt is TextBox) { if (cnt.Text == "") { textBox2.Enabled = false; } else { textBox2.Enabled = true; } } } } private void textBox1_Enter(object sender, EventArgs e) { textBox2.Enabled = true; textBox2.Text = ""; } } }

Santosh Pisipati · Answer

i Hav got a textbox and itshoud be validated with a query.On tabchange to another textbox field itshoud be validated with a query and return it and not able to write in the next textbox untill the first textbox is validated

Satyapriya Nayak · Answer

If your problem is solved please click the checkbox(This is correct answer) Thanks

Vilas Gite · Answer

HI RAO WHATS YOUR EXACT MEANING... MEANS R YOU WANT (NUMERIC/CHARACTER TEXT)?

Satyapriya Nayak · Answer

Make textbox ReadOnly property True private void Form1_Load(object sender, EventArgs e) { textBox1.ReadOnly = true; }

validation in textbox

Answers (5)