Control ICSSoft.STORMNET.Web.AjaxControls.AlphaNumericTextBox designed for fields where you may use only letters and/or numbers. Inherits System.Web.UI.WebControls.TextBox, implements ICSSoft.STORMNET.Web.AjaxControls.IAjaxGroupEditCompatible. Supports the insertion of values from the buffer.


Setting properties when the page is loaded in the method PreApplyToControls().


To specify the type of the input property is used Type type AlphaNumericType:

/// <summary> 
/// Enumeration of input types to control AlphaNumericTextBox 
/// </summary> 
public enum AlphaNumericType
	/// <summary> 
	/// Literal 
	/// </summary> 

	/// <summary> 
	/// Numeric 
	/// </summary> 
	/// <summary> 
	/// Alphanumeric 
	/// </summary> 


You can specify the range of input numbers: Min and Max. By default, you can enter numbers from int32, it is possible to use both positive and negative values.


In the field NumericChars and AlphabeticChars you can enter the valid characters of the alphabet of numbers and letters, respectively. Characters that do not fall into these alphabets will not be entered in this control.


To initialize the properties of the control you can use a static property-delegate InitSettings InitControlSettingsDelegate<>, which will be called in the constructor of the control.


When disabled ViewState control does not save the value between PostBack s, if he is in a state Disabled (because of the peculiarities of the infrastructure ASP.NET).


The following code sets the type of control in Numeric (which will allow to enter only digits), and sets a dictionary of valid characters (which allows to enter only digits 0, 1 and 2):

ctrlAlpha.Type = AlphaNumericType.Numeric;
ctrlAlpha.NumericChars = "012";

The following code sets a minimum and maximum value allowed for input:

ctrlAlpha.Type = AlphaNumericType.Numeric;
ctrlAlpha.Min = 1200;
ctrlAlpha.Max = 1300;

The following code sets the type to AlphaNumeric (which will allow you to enter letters and numbers), and sets dictionaries dopustimyh characters. Thus, control can only enter numbers 1 and 2, as well as letters ‘a’ and ‘b’:

ctrlAlpha.Type = AlphaNumericType.AlphaNumeric;
ctrlAlpha.NumericChars = "12";
ctrlAlpha.AlphabeticChars = ab;