在Asp.net中图片如何实现上传

ASP.Net实现图片上传：



实现图片上传的方法

   
     

    
       1 
    
      try
    
      

    
       2 
    
       {

    
       3 
    
       
    
      //
    
      ((Image)gvGradeUser.FindControl(ImageGrade)).ImageUrl.ToString().Trim();

    
       4 
    
       
    
      //
    
      根据等级的编修改
    
      

    
       5 
    
       
    
       
    
      int
    
       enbale 
    
      =
    
       
    
      0
    
      ;

    
       6 
    
       
    
      if
    
       (ddlStart.Text.ToString().Trim() 
    
      ==
    
       
    
      "
    
      正常
    
      "
    
      )

    
       7 
    
       {

    
       8 
    
       enbale 
    
      =
    
       
    
      0
    
      ;

    
       9 
    
       }

    
      10 
    
       
    
      else
    
      

    
      11 
    
       {

    
      12 
    
       enbale 
    
      =
    
       
    
      1
    
      ;

    
      13 
    
       }

    
      14 
    
       
    
      //
    
      图片存在时
    
      

    
      15 
    
       
    
       
    
      if
    
       (FtxtFlileName.HasFile)

    
      16 
    
       {

    
      17 
    
       FtxtFlileName.SaveAs(Server.MapPath(
    
      "
    
      ../GradeImage/
    
      "
    
      ) 
    
      +
    
       FtxtFlileName.FileName.ToString().Trim());

    
      18 
    
       
    
      if
    
       (objCusGradelevelService.SetOneGradelevelInfo(Convert.ToInt32(lblcode.Text.ToString().Trim()), txtName.Text.ToString().Trim(), Convert.ToInt32(txtJiFenFanWei.Text.ToString().Trim()), enbale, 
    
      "
    
      ~/PersonnelManagement/GradeImage/
    
      "
    
       
    
      +
    
       FtxtFlileName.FileName.ToString().Trim(), txtText.Text.ToString().Trim()))

    
      19 
    
       {

    
      20 
    
       lblMessage.Visible 
    
      =
    
       
    
      true
    
      ;

    
      21 
    
       lblMessage.Text 
    
      =
    
       
    
      "
    
      修改成功
    
      "
    
      ;

    
      22 
    
      

    
      23 
    
       }

    
      24 
    
       
    
      else
    
      

    
      25 
    
       {

    
      26 
    
       lblMessage.Visible 
    
      =
    
       
    
      true
    
      ;

    
      27 
    
       lblMessage.Text 
    
      =
    
       
    
      "
    
      修改失败
    
      "
    
      ;

    
      28 
    
       }

    
      29 
    
      

    
      30 
    
       }

    
      31 
    
       
    
      //
    
      图片不存在时
    
      

    
      32 
    
      
    
       
    
      else
    
      

    
      33 
    
       {

    
      34 
    
       
    
      if
    
       (objCusGradelevelService.SetOneGradelevelInfoNoimage(Convert.ToInt32(lblcode.Text.ToString().Trim()), txtName.Text.ToString().Trim(), Convert.ToInt32(txtJiFenFanWei.Text.ToString().Trim()), enbale, txtText.Text.ToString().Trim()))

    
      35 
    
       {

    
      36 
    
       lblMessage.Visible 
    
      =
    
       
    
      true
    
      ;

    
      37 
    
       lblMessage.Text 
    
      =
    
       
    
      "
    
      修改成功
    
      "
    
      ;

    
      38 
    
       }

    
      39 
    
       
    
      else
    
      

    
      40 
    
       {

    
      41 
    
       lblMessage.Visible 
    
      =
    
       
    
      true
    
      ;

    
      42 
    
       lblMessage.Text 
    
      =
    
       
    
      "
    
      修改失败
    
      "
    
      ;

    
      43 
    
       }

    
      44 
    
       }

    
      45 
    
       dt_GradeUser 
    
      =
    
       objCusGradelevelService.GetAllGradelevelInfo();

    
      46 
    
       dtGradeUser();

    
      47 
    
       btnAdd.Visible 
    
      =
    
       
    
      true
    
      ;

    
      48 
    
       btnClearUpdate.Visible 
    
      =
    
       
    
      false
    
      ;

    
      49 
    
       btnUpdate.Visible 
    
      =
    
       
    
      false
    
      ;

    
      50 
    
       }

    
      51 
    
       
    
      catch
    
       (Exception)

    
      52 
    
       {

    
      53 
    
       lblMessage.Visible 
    
      =
    
       
    
      true
    
      ;

    
      54 
    
       lblMessage.Text 
    
      =
    
       
    
      "
    
      修改失败
    
      "
    
      ;

    
      55 
    
       }