customvalidator.cs

不错的人事管理系统

using System;

namespace System.Web.UI.WebControls
{
	/// <summary>
	/// Summary description for CustomValidator.
	/// </summary>
	public class CustomValidator:BaseValidator
	{
		static object EventServerValidate;

		
		static CustomValidator() 
		{
			CustomValidator.EventServerValidate = new Object();
		}

		public CustomValidator() : base() 
		{
		}

		
		protected virtual void AddAttributesToRender(System.Web.UI.HtmlTextWriter writer) 
		{
			this.AddAttributesToRender(writer);
			if (this.RenderUplevel) 
			{
				writer.AddAttribute("evaluationfunction", "CustomValidatorEvaluateIsValid");
				if (this.ClientValidationFunction.Length > 0)
					writer.AddAttribute("clientvalidationfunction", this.ClientValidationFunction);
			}
		}

		
		protected virtual bool ControlPropertiesValid() 
		{
			string local0;

			local0 = this.ControlToValidate;
			if (local0.Length > 0)
				this.CheckControlValidationProperty(local0, "ControlToValidate");
			return true;
		}

		
		protected override bool EvaluateIsValid() 
		{
			string local0;
			string local1;

			local0 = "";
			local1 = this.ControlToValidate;
			if (local1.Length > 0) 
			{
				local0 = this.GetControlValidationValue(local1);
				if (local0 == null || local0.Trim().Length == 0)
					return true;
			}
			return this.OnServerValidate(local0);
		}

		
		protected virtual bool OnServerValidate(string value) 
		{
			ServerValidateEventHandler local0;
			ServerValidateEventArgs local1;

			local0 = (ServerValidateEventHandler) this.Events[CustomValidator.EventServerValidate];
			local1 = new ServerValidateEventArgs(value, true);
			if (local0 != null) 
			{
				local0(this, local1);
				return local1.IsValid;
			}
			return true;
		}

		public event System.Web.UI.WebControls.ServerValidateEventHandler ServerValidate
		{
			add
			{
				this.Events.AddHandler(CustomValidator.EventServerValidate, value);
			}
			remove
			{
				this.Events.RemoveHandler(CustomValidator.EventServerValidate, value);
			}
		}
		
		public string ClientValidationFunction
		{
			get
			{
				object local0;

				local0 = this.ViewState["ClientValidationFunction"];
				if (local0 != null)
					return (String) local0;
				return System.String.Empty;
			}
			set
			{
				this.ViewState["ClientValidationFunction"]= value;
			}
		}

	}
}