asp. net implementation upload file display local absolute path of the instance code

2020-06-15 08:05:47
OfStack

The page code is essentially JS
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<head runat="server"> 
    <title> No title page </title> 
    <mce:script language="javascript" type="text/javascript"><!--  
    function Imagesrc()  
    {  
    document.getElementById("image").src=document.all.FileUpload1.value;  
    }     
// --></mce:script> 
</head> 
<body> 
    <form id="form1" runat="server"> 
    <div> 
    <img alt="\" id="image"  style="height:50px;width:50px" /> 
        <asp:FileUpload ID="FileUpload1" runat="server" onchange="Imagesrc()" /> 
        <br /> 
        <asp:Button ID="btnPost" runat="server" 
            Text=" upload " OnClick="btnPost_Click" /></div> 
    </form> 
</body> 
<head runat="server">
    <title> No title page </title>
    <mce:script language="javascript" type="text/javascript"><!--
    function Imagesrc()
    {
    document.getElementById("image").src=document.all.FileUpload1.value;
    }
// --></mce:script>
</head>
<body>
    <form id="form1" runat="server">
    <div>
    <img alt="\" id="image"  style="height:50px;width:50px" />
        <asp:FileUpload ID="FileUpload1" runat="server" onchange="Imagesrc()" />
        <br />
        <asp:Button ID="btnPost" runat="server"
            Text=" upload " OnClick="btnPost_Click" /></div>
    </form>
</body>

defualt. aspx. cs code
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protected void btnPost_Click(object sender, EventArgs e)  
   {  
       string PostName = Server.MapPath("Image");  
       string fileName = FileUpload1.FileName;  
       // Whether to include this file   
       if (FileUpload1.HasFile)  
       {  
           FileUpload1.SaveAs(PostName "/" fileName);             
       }  
   }