How to restrict the backspace control in textbox? [Resolved]

Posted by Sudheep.grandhe under C# on 11/11/2011 | Points: 10 | Views : 8553 | Status : [Member] | Replies : 2

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Hi,

I am currently developing windows applications.for example i have two textboxes.i enter the data in textbox1 as wrong unfortunately my cursor was goto textbox2.if i understand the wrong entry in textbox1 and again i will go to textbox and erase the data and entered correctly.my intension is i wont allow this.one more thing i want to avoid backspace option in my textbox respectively.how can i do this.please do the needful.

Best,
Sudheep.

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Posted by: Blessyjees on: 11/11/2011 [Member] Bronze | Points: 50

0	Hi, Try this private void textBox1_KeyPress(object sender, KeyPressEventArgs e) { if (e.KeyChar == 8) { e.Handled = true; } } Blessy Baby Digitalmesh Softech pvt Ltd https://blessybaby.wordpress.com/ Sudheep.grandhe, if this helps please login to Mark As Answer. \| Alert Moderator

Posted by: perfectchourasia-9163 on: 11/15/2011 [Member] Starter | Points: 25

0	In html page call thE FUNCTION like this <asp:TextBox ID="TextBox1" runat="server" TabIndex="1" Width="50px" onKeyPress="FocusNext(this)"></asp:TextBox> in the head put this code to block keyboard button by their code <script language ="javascript" type ="text/javascript" > function FocusNext(cid) { if (e.KeyChar == 8) { e.Handled = true; } } </script> or this is in .cs page private void textBox1_KeyPress(object sender, KeyPressEventArgs e) { if (e.KeyChar == 8) { e.Handled = true; } } ER sandeep chourasia sandeepchrs@yahoo.com (on facebook) http://www.aspnetcodes.com/ Sudheep.grandhe, if this helps please login to Mark As Answer. \| Alert Moderator

In html page call thE FUNCTION like this

<asp:TextBox ID="TextBox1" runat="server" TabIndex="1" Width="50px" onKeyPress="FocusNext(this)"></asp:TextBox>

in the head put this code to block keyboard button by their code

<script language ="javascript" type ="text/javascript" >
function FocusNext(cid)
{
if (e.KeyChar == 8)

{

e.Handled = true;

}

}
</script>

or this is in .cs page
private void textBox1_KeyPress(object sender, KeyPressEventArgs e)

{

if (e.KeyChar == 8)

{

e.Handled = true;

}

}

ER sandeep chourasia
sandeepchrs@yahoo.com (on facebook)
http://www.aspnetcodes.com/

Sudheep.grandhe, if this helps please login to Mark As Answer. | Alert Moderator

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