//HTML
<asp:ToolkitScriptManager ID="toolkitM" runat="server"></asp:ToolkitScriptManager>
<asp:TextBox ID="txt_code" runat="server" Width="130px" Height="22px" />
<asp:MaskedEditExtender ID="MaskedEditExtender2" runat="server"
TargetControlID="txt_code"
Mask="9,999,999.99"
MessageValidatorTip="true"
OnFocusCssClass="MaskedEditFocus"
OnInvalidCssClass="MaskedEditError"
MaskType="Number"
InputDirection="RightToLeft"
AcceptNegative="Left"
DisplayMoney="Left"
ErrorTooltipEnabled="True">
</asp:MaskedEditExtender>
//Result - only numeric with decimal
<asp:MaskedEditExtender ID="MaskedEditExtender2" runat="server"
TargetControlID="txt_code"
Mask="LL/999,999.99"
MessageValidatorTip="true"
OnFocusCssClass="MaskedEditFocus"
OnInvalidCssClass="MaskedEditError"
MaskType="Number"
InputDirection="RightToLeft"
AcceptNegative="Left"
DisplayMoney="Left"
ErrorTooltipEnabled="True">
</asp:MaskedEditExtender>
//Result - Alpha/numeric,numeric.numeric
Mask Type-
None – No
validation
Number – Number validation
Date – Date validation
Time – Time validation
DateTime – Date and time validation
Number – Number validation
Date – Date validation
Time – Time validation
DateTime – Date and time validation
1) Mask Characters and Delimiters
9 - Only a numeric character
L - Only a letter
$ - Only a letter or a space
C - Only a custom character (case sensitive)
A - Only a letter or a custom character
N - Only a numeric or custom character
? - Any character
/ - Date separator
: - Time separator
. - Decimal separator
, - Thousand separator
\ - Escape character
{ - Initial delimiter for repetition of masks
} - Final delimiter for repetition of masks