defaultcs.aspx.cs

Telerik是很大的第三方软件制造商

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;

namespace Telerik.UploadExamplesCSharp.SizeValidation
{
	/// <summary>
	/// Summary description for DefaultCS.
	/// </summary>
	public class DefaultCS : Telerik.QuickStart.XhtmlPage
	{
		protected System.Web.UI.WebControls.TextBox txtSize;
		protected System.Web.UI.WebControls.Button btnApplyChanges;
		protected Telerik.WebControls.RadUpload upload1;
		protected Telerik.WebControls.RadUploadProgressArea progressArea1;
		protected System.Web.UI.WebControls.Label lblNoValidResults;
		protected System.Web.UI.WebControls.Repeater rptValidResults;
		protected System.Web.UI.WebControls.Label lblNoInvalidResults;
		protected System.Web.UI.WebControls.Repeater rptInvalidResults;
		protected System.Web.UI.WebControls.Button btnSubmit;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			if (!IsPostBack)
			{
				if (isNumber(txtSize.Text))
				{
					upload1.MaxFileSize = int.Parse(txtSize.Text);
				}
			}
		}

		private void btnSubmit_Click(object sender, EventArgs e)
		{
			BindResults();
		}

		private void btnApplyChanges_Click(object sender, EventArgs e)
		{
			if (isNumber(txtSize.Text))
			{
				upload1.MaxFileSize = int.Parse(txtSize.Text);
			}
			else
			{
				upload1.MaxFileSize = 10240;
				txtSize.Text = "10240";
			}
			BindResults();
		}

		private bool isNumber(string input)
		{
			if (input.Length == 0)
			{
				return false;
			}
			foreach(char ch in input)
			{
				if (!Char.IsNumber(ch))
				{
					return false;
				}
			}
			return true;
		}

		private void BindResults()
		{
			bool resultsExist = (upload1.UploadedFiles.Count > 0 || upload1.InvalidFiles.Count > 0)&& !progressArea1.RequestCancelled;
			lblNoValidResults.Visible = !resultsExist;
			lblNoInvalidResults.Visible = !resultsExist;
			rptValidResults.Visible = resultsExist;
			rptInvalidResults.Visible = resultsExist;
			if (resultsExist)
			{
				rptValidResults.DataSource = upload1.UploadedFiles;
				rptValidResults.DataBind();
				rptInvalidResults.DataSource = upload1.InvalidFiles;
				rptInvalidResults.DataBind();
			}
		}

		#region Web Form Designer generated code
		override protected void OnInit(EventArgs e)
		{
			InitializeComponent();
			base.OnInit(e);
		}
		
		private void InitializeComponent()
		{
			this.btnApplyChanges.Click += new System.EventHandler(this.btnApplyChanges_Click);
			this.btnSubmit.Click += new System.EventHandler(this.btnSubmit_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion
	}
}