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DropDownList的动态加载,detailview使用以及FileUpload的上传

所有代码
后台
  1using System;
  2using System.Data;
  3using System.Configuration;
  4using System.Collections;
  5using System.Web;
  6using System.Web.Security;
  7using System.Web.UI;
  8using System.IO;
  9using System.Web.Configuration;
 10using System.Web.UI.WebControls;
 11using System.Web.UI.WebControls.WebParts;
 12using System.Web.UI.HtmlControls;
 13using ShoppingChain.ManageSQLServerDAL;
 14using ShoppingChain.ManageModel;
 15using System.Collections.Generic;
 16
 17public partial class Manage_BusinessmanNewP : System.Web.UI.Page
 18{
 19    protected void Page_Load(object sender, EventArgs e)
 20    {
 21        if (!IsPostBack)
 22        { 
 23            ProductInfo info = new ProductInfo();
 24
 25            if (Request.Cookies["uname"] != null)
 26            {               
 27                HttpCookie cookie = Request.Cookies["uname"];
 28                string uname = Server.HtmlEncode(cookie.Value);
 29                Product p = new Product();
 30                string ucate = p.GetBCatebyUname(uname);
 31                //拼表名
 32                info.GoodsinfoName = "GoodsInfo_" + ucate;
 33                info.GoodsdetailName = "GoodsDetail_" + ucate;
 34                ViewState["ucate"] = ucate;             
 35            }
 36            string edit = Request.QueryString["edit"];
 37            if (edit == null)
 38            {
 39                DetailsView1.DefaultMode = DetailsViewMode.Edit;
 40
 41            }
 42            else
 43            {
 44                DetailsView1.DefaultMode = DetailsViewMode.Insert; 
 45                
 46            }                                                   
 47        } 
 48    }
 49    protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e)
 50    {
 51
 52    }
 53    protected void DetailsView1_ItemInserted(object sender, DetailsViewInsertedEventArgs e)
 54    {
 55        //insert之后执行，图片上传控制
 56        HttpRuntimeSection h = new HttpRuntimeSection();
 57        
 58        FileUpload f1 = (FileUpload)DetailsView1.Rows[10].FindControl("FileUpload1");
 59        FileUpload f2 = (FileUpload)DetailsView1.Rows[10].FindControl("FileUpload2");
 60        FileUpload f3 = (FileUpload)DetailsView1.Rows[10].FindControl("FileUpload3");
 61        FileUpload f4 = (FileUpload)DetailsView1.Rows[10].FindControl("FileUpload4");
 62        FileUpload f5 = (FileUpload)DetailsView1.Rows[10].FindControl("FileUpload5");
 63
 64
 65        bool file1OK = false;
 66        bool file2OK = false;
 67        bool file3OK = false;
 68        bool file4OK = false;
 69        bool file5OK = false;
 70        String path = Server.MapPath("~/image/");
 71        String fileExtension;
 72        if (f1.HasFile)
 73        {
 74            fileExtension = Path.GetExtension(f1.FileName).ToLower();
 75            String[] allowedExtensions = { ".gif", ".png", ".jpeg", ".jpg" };
 76
 77            for (int i = 0; i < allowedExtensions.Length; i++)
 78            {
 79                if (fileExtension == allowedExtensions[i] && h.MaxRequestLength <= 500)
 80                {
 81                    file1OK = true;
 82                }
 83            }
 84        }
 85        if (file1OK)
 86        {
 87            try
 88            {
 89                f1.PostedFile.SaveAs(path + f1.FileName);
 90            }
 91            catch (Exception ex)
 92            {
 93                Response.Write("<script>window.alert('图片上传失败!')<script>");
 94            }
 95        }
 96        else
 97        {
 98            Response.Write("<script>window.alert('文件类型不符或文件过大(500K以内)!')<script>");
 99        }
100
101        if (f2.HasFile)
102        {
103            fileExtension = Path.GetExtension(f2.FileName).ToLower();
104            String[] allowedExtensions = { ".gif", ".png", ".jpeg", ".jpg" };
105
106            for (int i = 0; i < allowedExtensions.Length; i++)
107            {
108                if (fileExtension == allowedExtensions[i] && h.MaxRequestLength <= 500)
109                {
110                    file2OK = true;
111                }
112            }
113        }
114        if (file2OK)
115        {
116            try
117            {
118                f2.PostedFile.SaveAs(path + f2.FileName);
119            }
120            catch (Exception ex)
121            {
122                Response.Write("<script>window.alert('图片上传失败!')<script>");
123            }
124        }
125        else
126        {
127            Response.Write("<script>window.alert('文件类型不符或文件过大(500K以内)!')<script>");
128        }
129
130        if (f3.HasFile)
131        {
132            fileExtension = Path.GetExtension(f3.FileName).ToLower();
133            String[] allowedExtensions = { ".gif", ".png", ".jpeg", ".jpg" };
134
135            for (int i = 0; i < allowedExtensions.Length; i++)
136            {
137                if (fileExtension == allowedExtensions[i] && h.MaxRequestLength <= 500)
138                {
139                    file3OK = true;
140                }
141            }
142        }
143        if (file3OK)
144        {
145            try
146            {
147                f3.PostedFile.SaveAs(path + f3.FileName);
148            }
149            catch (Exception ex)
150            {
151                Response.Write("<script>window.alert('图片上传失败!')<script>");
152            }
153        }
154        else
155        {
156            Response.Write("<script>window.alert('文件类型不符或文件过大(500K以内)!')<script>");
157        }
158
159        if (f4.HasFile)
160        {
161            fileExtension = Path.GetExtension(f4.FileName).ToLower();
162            String[] allowedExtensions = { ".gif", ".png", ".jpeg", ".jpg" };
163
164            for (int i = 0; i < allowedExtensions.Length; i++)
165            {
166                if (fileExtension == allowedExtensions[i] && h.MaxRequestLength <= 500)
167                {
168                    file4OK = true;
169                }
170            }
171        }
172        if (file4OK)
173        {
174            try
175            {
176                f4.PostedFile.SaveAs(path + f4.FileName);
177            }
178            catch (Exception ex)
179            {
180                Response.Write("<script>window.alert('图片上传失败!')<script>");
181            }
182        }
183        else
184        {
185            Response.Write("<script>window.alert('文件类型不符或文件过大(500K以内)!')<script>");
186        }
187
188        if (f5.HasFile)
189        {
190            fileExtension = Path.GetExtension(f5.FileName).ToLower();
191            String[] allowedExtensions = { ".gif", ".png", ".jpeg", ".jpg" };
192
193            for (int i = 0; i < allowedExtensions.Length; i++)
194            {
195                if (fileExtension == allowedExtensions[i] && h.MaxRequestLength <= 500)
196                {
197                    file5OK = true;
198                }
199            }
200        }
201        if (file5OK)
202        {
203            try
204