hyperlinkcolumn.cs

不错的人事管理系统

using System;
using System.ComponentModel;

namespace System.Web.UI.WebControls
{
	/// <summary>
	/// Summary description for HyperLinkColumn.
	/// </summary>
	public class HyperLinkColumn : DataGridColumn
	{
		private System.ComponentModel.PropertyDescriptor textFieldDesc;
		private System.ComponentModel.PropertyDescriptor urlFieldDesc;

		public HyperLinkColumn() : base() 
		{
		}

		protected virtual string FormatDataNavigateUrlValue(object dataUrlValue) 
		{
			string local0;
			string local1;

			local0 = System.String.Empty;
			if (dataUrlValue != null && dataUrlValue != System.DBNull.Value) 
			{
				local1 = this.DataNavigateUrlFormatString;
				if (local1.Length == 0)
					local0 = dataUrlValue.ToString();
				else
					local0 = System.String.Format(local1, dataUrlValue);
			}
			return local0;
		}

		protected virtual string FormatDataTextValue(object dataTextValue) 
		{
			string local0;
			string local1;

			local0 = System.String.Empty;
			if (dataTextValue != null && dataTextValue != System.DBNull.Value) 
			{
				local1 = this.DataTextFormatString;
				if (local1.Length == 0)
					local0 = dataTextValue.ToString();
				else
					local0 = System.String.Format(local1, dataTextValue);
			}
			return local0;
		}

		public virtual void Initialize() 
		{
			this.Initialize();
			this.textFieldDesc = null;
			this.urlFieldDesc = null;
		}

		public virtual void InitializeCell(TableCell cell, int columnIndex, ListItemType itemType) 
		{
			HyperLink local0;

			this.InitializeCell(cell, columnIndex, itemType);
			if (itemType != 0 && itemType != ListItemType.Footer) 
			{
				local0 = new HyperLink();
				local0.Text = this.Text;
				local0.NavigateUrl = this.NavigateUrl;
				local0.Target = this.Target;
				if (this.DataNavigateUrlField.Length != 0 || this.DataTextField.Length != 0)
				{
//					local0.add_DataBinding(new EventHandler(this.OnDataBindColumn));
				}
				cell.Controls.Add(local0);
			}
		}

		private void OnDataBindColumn(object sender, EventArgs e) 
		{
			HyperLink local0;
			DataGridItem local1;
			object local2;
			PropertyDescriptorCollection local3;
			string local4;
			object local5;
			string local6;
			object local7;
			string local8;

			local0 = (HyperLink) sender;
			local1 = (DataGridItem) local0.NamingContainer;
			local2 = local1.DataItem;
			if (this.textFieldDesc == null && this.urlFieldDesc == null) 
			{
				local3 = System.ComponentModel.TypeDescriptor.GetProperties(local2);
				local4 = this.DataTextField;
				if (local4.Length != 0) 
				{
					this.textFieldDesc = local3.Find(local4, true);
					if (this.textFieldDesc == null && !(this.DesignMode))
						throw new HttpException(System.Web.HttpRuntime.FormatResourceString("Field_Not_Found", local4));
				}
				local4 = this.DataNavigateUrlField;
				if (local4.Length != 0) 
				{
					this.urlFieldDesc = local3.Find(local4, true);
					if (this.urlFieldDesc == null && !(this.DesignMode))
						throw new HttpException(System.Web.HttpRuntime.FormatResourceString("Field_Not_Found", local4));
				}
			}
			if (this.textFieldDesc != null) 
			{
				local5 = this.textFieldDesc.GetValue(local2);
				local6 = this.FormatDataTextValue(local5);
				local0.Text = local6;
			}
			else 	if (this.DesignMode && this.DataTextField.Length != 0)
				local0.Text = System.Web.SR.GetString("Sample_Databound_Text");
			if (this.urlFieldDesc != null) 
			{
				local7 = this.urlFieldDesc.GetValue(local2);
				local8 = this.FormatDataNavigateUrlValue(local7);
				local0.NavigateUrl = local8;
				return;
			}
			if (this.DesignMode && this.DataNavigateUrlField.Length != 0)
				local0.NavigateUrl = "url";
		}

		public virtual string DataNavigateUrlField 
		{
			get
			{
				object local0;

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

		public virtual string DataNavigateUrlFormatString 
		{
			get
			{
				object local0;

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

		public virtual string DataTextField 
		{
			get
			{
				object local0;

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

		public virtual string DataTextFormatString 
		{
			get
			{
				object local0;

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

		public virtual string NavigateUrl 
		{
			get
			{
				object local0;

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

		public virtual string Target 
		{
			get
			{
				object local0;

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

		public virtual string Text 
		{
			get
			{
				object local0;

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