Enter Keypress and leave the textbox in c#

Question

Hi Friends  I am facing with a problem  when i press enter at textbox and then the cursor does not leave the textbox . Instead of it  i must use tab to leave it . What should i do in this situation ? Thanks

shubham sapkal · Answer

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Marlon Da Great · Answer

simple...the focus will grab to the next tabindex private void Form1_KeyDown(object sender KeyEventArgs e) { if (e.KeyCode == Keys.Enter) { SendKeys.Send({TAB}); } }

Marlon Da Great · Answer

simple...the focus will grab to the next tabindex private void Form1_KeyDown(object sender KeyEventArgs e) { if (e.KeyCode == Keys.Enter) { SendKeys.Send({TAB}); } }

Marlon Da Great · Answer

simple...the focus will grab to the next tabindex private void Form1_KeyDown(object sender KeyEventArgs e) { if (e.KeyCode == Keys.Enter) { SendKeys.Send({TAB}); } }

Piyush Goriya · Answer

Great Article sir Thanks

Diptesh Chaudhari · Answer

sir. What to do if i want to visible any lable if i leave textbox empty?

vinay singh · Answer

You answer was really help full for me . i was looking for this kind of solution form last 1 week . dotnetpools.com

Minh · Answer

Thank you all .

Sam Hobbs · Answer

Yet it was my suggestion to use ProcessTabKey(true). I admit that Jaish added a bit of code but I sure hope you are capable of figuring out that part.

Minh · Answer

Thanks so much  Idea from Jaish Mathews is the effect solution .

theLizard · Answer

Sam yes that is true but what if? simple example for generic key down event attached to any control with a keydown event 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 WindowsFormsApplication1 { public partial class Form1 : Form { int ctrlOrder = -1 next = -1; TextBox t = new TextBox(); ComboBox c = new ComboBox(); CheckBox ch = new CheckBox(); public Form1() { InitializeComponent(); } private void keyDown(object sender KeyEventArgs e) { if (e.KeyCode != Keys.Enter) return; if (sender.GetType().Name == TextBox) { t = (TextBox)sender; int.TryParse(t.Tag.ToString() out ctrlOrder); } if (sender.GetType().Name == CheckBox) { ch = (CheckBox)sender; int.TryParse(ch.Tag.ToString() out ctrlOrder); } if (sender.GetType().Name == ComboBox) { c = (ComboBox)sender; int.TryParse(c.Tag.ToString() out ctrlOrder); } for (int i = 0; i { if (this.Controls[i].GetType().Name == TextBox) { TextBox te = (TextBox)this.Controls[i]; int.TryParse(te.Tag.ToString() out next); if(next == ctrlOrder+1) this.Controls[i].Focus(); } if (this.Controls[i].GetType().Name == CheckBox) { CheckBox te = (CheckBox)this.Controls[i]; int.TryParse(te.Tag.ToString() out next); if (next == ctrlOrder + 1) this.Controls[i].Focus(); } if (this.Controls[i].GetType().Name == ComboBox) { ComboBox te = (ComboBox)this.Controls[i]; int.TryParse(te.Tag.ToString() out next); if (next == ctrlOrder + 1) this.Controls[i].Focus(); } } } } } this allows you to move to the next control in order of tag property without explicitly setting focus to next control by name. this of course could be made as a more complex method / function to handle any situation and used on any form in your project write once use many times...

Sam Hobbs · Answer

The advantage of using either ProcessTabKey or sending a tab charcter is that you can set the tab order in the form desginer without a need to modify the code.

theLizard · Answer

If my suggestion is not working for you then I suggest you have something wrong with how you are doing things or you are not telling us everything we should know. If you want to move the cursor to another text box or any other type of text control on your form then the sample code I gave you does exactly that. private void t1_KeyDown(object sender KeyEventArgs e) //Text Box { if (e.KeyCode == Keys.Enter) { t2.Text = sender.GetType().Name; //put sender type in text box 2 t2.Focus(); //Text Box } } private void t2_KeyDown(object sender KeyEventArgs e) //Text Box { if (e.KeyCode == Keys.Enter) r1.Focus(); //Rich Edit }

Jaish Mathews · Answer

Hi There's no advantage in my knowledge. But here SendKeys .SendWait() is useful when you need some process to be completed and then consider the next tab like some data validation using background service. More over for both SendKeys and ProcessTabKey you need to supress the event raised by the enter event using e.Handled = true; Otherwise ding sound will be generated from background :) So full functionaal code like below private void textBox1_KeyPress( object sender KeyPressEventArgs e) { if (e.KeyChar == 13) { e.Handled = true ; ProcessTabKey( true ); // or SendKeys can also use } }

Sam Hobbs · Answer

What is the advantage of sending a tab using SendKeys instead of using ProcessTabKey?

Jaish Mathews · Answer

Hi Done this in VB6 using SendKeys and on looking C# also supporting this. But need to use in a different manner. Below is the way how to call this. Here we programmatically raising a TAB key. Don't forget to set the tab index of text boxes in a sequence order. private void textBox1_KeyDown( object sender KeyEventArgs e) { if (e.KeyCode.Equals( Keys .Enter)) { SendKeys .Send( {TAB} ); } }

Sam Hobbs · Answer

Call ProcessTabKey(true) to get the same behavior as when the tab key is pressed.

Minh · Answer

Any control in application  i see  Cursor is lost focus the control at any tiime the control is keypressed enter  I have tried to use control.focus() to do this but it does not seems to be the good solution . I think  we can you one event to make that  when press enter  it do as when you press Tab ? Thanks for your fast reply .

theLizard · Answer

in the keydown event if(e.KeyCode = Keys.Enter) yourTextBox.Focus() //or any other control that has a focus like button.Focus() You could also write a single method that would handle ALL keydown for ALL your controls you just need to work out how.

Krishna Garad · Answer

Actually enter/return key will not transfer you rcursor from textbox. When you have some buttons on page that function is normally called by enter key it's not for leaving the focus from control.