hai friends ihave a question on restrict conditions

Question

1.00/5 (2 votes)

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Windows

C#3.5

TextBoxBase

how to write a code for accepting above 10000 and bellow 20000 in windows textbox

can you tell me
thankss

Posted 3-May-15 22:17pm

Parazival

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3 solutions

Solution 2

That concept is called validation, FYI.
You check the value at your property layer (if you have one) or on the button click or where ever you want you can just write a simple if..else.. statement to check that.
Something like-

C#

try
{
  int yourValue=int.Parse(txtYourTb.Text);
  if(yourValue>10000 && yourValue<20000)
  {
     //do your stuff
  }
  else
  {
     MessageBox.Show("Invalid Input");
     return;
  }
}
catch(Exception ex)
{
   //str msg=ex.Message;
}

Hope, it helps :)

Posted 3-May-15 22:54pm

Suvendu Shekhar Giri

Solution 1

Personally, I wouldn't - I'd use a NumericUpDown instead.

But, if you must, you can either do it in the Validating event[^] which will occur when teh user leaves the textbox, or in the TextChanged event[^] which occurs each time it alters.

Either way, use int.TryParse[^] to convert the text to a number, check the range and report or alter it.

Posted 3-May-15 22:45pm

OriginalGriff

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Parazival · Accepted Answer · 2015-05-04T23:34:00

Solution 3

Quote:
if (Convert.ToInt32(TextBox1.Text) > 20000 || Convert.ToInt32(TextBox1.Text) < 10000)
{
MessageBox.Show("Amount b/w 10000-20000");
TextBox1.Text = "";
return;
}

Posted 4-May-15 23:34pm

Parazival

Updated 4-May-15 23:36pm

v3