C# winform: multiple check the argument for textbox

Question

2.00/5 (2 votes)

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Hi guys, how actually can i create the few argument in "if else statement" so that if textbox 1, textbox 2, textbox 3 is empty its will pop-up error message and if the textbox is fill , its will go to else statement.

What I have tried:

pictureBox2.Visible = false;

if (string.IsNullOrWhiteSpace(tb5.Text))
{
    pictureBox2.Visible = true;
    MessageBox.Show("Please Complete the custodian detail !", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);

}
else
{
    //NEXT TO SLIDE B
    panel2.Location = new Point(12, 22);

Posted 30-Jul-17 16:27pm

Asyraf Patt

Updated 30-Jul-17 16:41pm

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Comments

BillWoodruff 31-Jul-17 0:26am

The best way to handle this ... if all the TextBoxes are in the same container Control ... is by using the TextBoxes 'Validating event, and an 'ErrorProvider component. However, I think you are doing some kind of slide-show thing here.

Say a little more about how the user interacts with your app, and the structure of your app.

fakeer muhammed 2-Aug-17 0:37am

Use 'AND' operator in IF condition

Kailash Polai 29-Aug-17 6:49am

use OR operator "||" for all text box
like
if( IsNullOrWhiteSpace(txt1.Text) || IsNullOrWhiteSpace(txt2.Text) || so on... )

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