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protected void Button3_Click(object sender, EventArgs e)
    {
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        bool fileIsValid = false;
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        if (this.FileUpload1.HasFile)
        {
            int len = this.FileUpload1.PostedFile.ContentLength;
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            {
                this.Label1.Text = "ͼƬ̫´óÁË";
                return;
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            else
            {
                string type = this.FileUpload1.PostedFile.ContentType;
                if (type == "image/pjpeg")
                {
                    fileIsValid = true;
                }
                else
                {
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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Text;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
namespace zhixiaojia.Webctr.WebControls
{
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