啟動：Microsoft .NET Framework 2.0 Configuration-->Runtion Security Policy-->右鍵-->Adjust Security-->Make changes to this computer-->調節所有結點的權限為Full Trust-->搞定！！
System.Security.SecurityException: Request for the permission of type 'System.Net.WebPermission, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed. at System.Security.CodeAccessSecurityEngine.Check(Object demand, StackCrawlMark& stackMark, Boolean isPermSet) at System.Security.CodeAccessPermission.Demand() at System.Net.HttpWebRequest..ctor(Uri uri, ServicePoint servicePoint) at System.Net.HttpRequestCreator.Create(Uri Uri) at System.Net.WebRequest.Create(Uri requestUri, Boolean useUriBase) at System.Net.WebRequest.Create(String requestUriString) at Send_Email.Button5_Click(Object sender, EventArgs e) in E:\web\test.aspx.vb:line 85 The action that failed was: Demand The type of the first permission that failed was: System.Net.WebPermission The Zone of the assembly that failed was: MyComputer
Common errors associated with inadequate Trust Level
Security Exception:
Description: The application attempted to perform an operation not allowed by the security policy. To grant this application the required permission please contact your system administrator or change the application's trust level in the configuration file.
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Error:
System.Security.SecurityException: That assembly does not allow partially trusted callers.
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Stack Trace:
[SecurityException: Request for the permission of type 'System.Net.WebPermission, System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.]
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Error:
Request for the permission of: type 'System.Security.Permissions.EnvironmentPermission, mscorlib, V
private void btnUploadPicture_Click(object sender, System.EventArgs e) { //检查上传文件的格式是否有效 if(this.UploadFile.PostedFile.ContentType.ToLower().IndexOf("image") < 0) { Response.Write("上传图片格式无效！"); return; } //生成原图 Byte[] oFileByte = new byte[this.UploadFile.PostedFile.Conte ......
asp.net开发的朋友，经常用得到web.config文件的配置，所以我们特整理了中文说明。
<?xml version="1.0" standalone="yes"?>
<configuration xmlns="http://schemas.microsoft.com/.NetConfiguration/v2.0">
<!--配置全局变量-->
<appSettings>
<add key="examstr" value="server=.;da ......
