c# - Check if the string entered is between 00-FF in WPF -



c# - Check if the string entered is between 00-FF in WPF -

i have textbox in xaml page . , have property info in view model. need check if info entered user in between 00-ff (hex values).

i know range validator help other mention in class. if integer of string entered lesser 256 below ff.

in xaml page

<textbox name="txtfilldata" isreadonly="false" background="white" foreground="black" text="{binding data}"/>

in viewmodel class

private string _data; public string info { { homecoming _data; } set{_data=value;} } void validatevalues() { if (data==null||data=="") { messagebox.show("all values need in hex format!"); } else if(data.length>2) { messagebox.show("fill must byte value!"); } int decagain = int.parse(data, system.globalization.numberstyles.hexnumber); }

i need give status check if value entered between 00-ff. help appreciable.

thanks in advance!

as ensuring string contains hexadecimal characters. below link should help already:-

check string see if characters hexadecimal values

c# wpf validation xaml mvvm

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