C# - How to make a Textbox Accepts Only Numbers Or Only Characters In C# [with source code]

ادا في صوت كان احسن

Thank you so much for that

Easy and works perfectly

private void OnlyNumbers(KeyPressEventArgs e)
{
if (!char.IsControl(e.KeyChar) && !char.IsDigit(e.KeyChar))
{
e.Handled = true;
}
}

Hello, 1BestCsharp blog!

I tried to use your solution, but there is no Keypress event defined for TextBox!
Maybe you are using an older version of .NET?

why statement !char is meaning "NOT" but program allow input , i'm confusing. please advise.

Hi.can i know how to set a range for input allowed? for number

Thanks. That'll be handy

Earned my subscription.

i want to add restriction for text box in maximum value and minimum value. how to code it?

what if i want the number to be float 15.60 the " . " not accepted

Thank you. It helped a lot.

Thank you. Worked perfectly.

not working for me.. :(

Does any solution exist if you're making a UWP app with C#?

plz reply quick

can u tell me what to do if we have to use such validations for email in textbox?
jese mne email enter krane k ek textbox use kia hai,but email me to @ or fullstop "." bhi use hte hain to in 2 keywords ko kese daala ja skta hai using keypress?
kindly help as it is a lot urgent...

doesnt accept white space

Hello i am cynthia and i am looking for how to convert a double give in a toolbox to a string with c#
cann you please help me?