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9.0

How do I resolve this compilation error (non-invocable member cannot be used)?

Asked by Budrophious in Programming for ASP.NET, .NET Framework 2.x, .Net Application Servers

Tags: asp.net, active directory

I am attempting to use C# to access active directory. I am able to use this same code in VB and it works, but when I try the code in C#, I get the error below at line 136. I used the vb-to-c# converter at http://www.developerfusion.com/tools/convert/vb-to-csharp/.

Compilation Error
Description: An error occurred during the compilation of a resource required to service this request. Please review the following specific error details and modify your source code appropriately.

Compiler Error Message: CS1955: Non-invocable member 'System.Configuration.ConfigurationManager.AppSettings' cannot be used like a method.

Source Error:
Line 134: string adPassword = null;
Line 135:
Line 136: adUserID = System.Configuration.ConfigurationManager.AppSettings("adUserID").ToString();
Line 137: adPassword = System.Configuration.ConfigurationManager.AppSettings("adPassword").ToString();
Line 138:

Source File: h:\scoreboard_active_directory_cs\App_Code\activeDirectory.cs Line: 136

Please let me know if you need additional information. Thank you in advance for your time and assistance!

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             -----------------------------------
Detailed Compiler Output:
 
C:\Program Files\Microsoft Visual Studio 9.0\Common7\IDE> "c:\WINDOWS\Microsoft.NET\Framework\v3.5\csc.exe" /t:library /utf8output /R:"C:\WINDOWS\assembly\GAC_MSIL\System.DirectoryServices\2.0.0.0__b03f5f7f11d50a3a\System.DirectoryServices.dll" /R:"C:\WINDOWS\assembly\GAC_MSIL\System.Web.Mobile\2.0.0.0__b03f5f7f11d50a3a\System.Web.Mobile.dll" /R:"C:\WINDOWS\assembly\GAC_MSIL\System.Web.Extensions\3.5.0.0__31bf3856ad364e35\System.Web.Extensions.dll" /R:"C:\WINDOWS\assembly\GAC_MSIL\System.Configuration\2.0.0.0__b03f5f7f11d50a3a\System.Configuration.dll" /R:"C:\WINDOWS\assembly\GAC_32\System.Data\2.0.0.0__b77a5c561934e089\System.Data.dll" /R:"c:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\mscorlib.dll" /R:"C:\WINDOWS\assembly\GAC_MSIL\System.Core\3.5.0.0__b77a5c561934e089\System.Core.dll" /R:"C:\WINDOWS\assembly\GAC_32\System.Web\2.0.0.0__b03f5f7f11d50a3a\System.Web.dll" /R:"C:\WINDOWS\assembly\GAC_MSIL\System.IdentityModel\3.0.0.0__b77a5c561934e089\System.IdentityModel.dll" /R:"C:\WINDOWS\assembly\GAC_MSIL\System.Xml\2.0.0.0__b77a5c561934e089\System.Xml.dll" /R:"C:\WINDOWS\assembly\GAC_MSIL\System.Data.DataSetExtensions\3.5.0.0__b77a5c561934e089\System.Data.DataSetExtensions.dll" /R:"C:\WINDOWS\assembly\GAC_MSIL\System\2.0.0.0__b77a5c561934e089\System.dll" /R:"C:\WINDOWS\assembly\GAC_MSIL\System.Drawing\2.0.0.0__b03f5f7f11d50a3a\System.Drawing.dll" /R:"C:\WINDOWS\assembly\GAC_MSIL\System.Runtime.Serialization\3.0.0.0__b77a5c561934e089\System.Runtime.Serialization.dll" /R:"C:\WINDOWS\assembly\GAC_MSIL\System.Web.Services\2.0.0.0__b03f5f7f11d50a3a\System.Web.Services.dll" /R:"C:\WINDOWS\assembly\GAC_MSIL\System.ServiceModel\3.0.0.0__b77a5c561934e089\System.ServiceModel.dll" /R:"C:\WINDOWS\assembly\GAC_MSIL\System.Web.Extensions.Design\3.5.0.0__31bf3856ad364e35\System.Web.Extensions.Design.dll" /R:"C:\WINDOWS\assembly\GAC_MSIL\System.ServiceModel.Web\3.5.0.0__31bf3856ad364e35\System.ServiceModel.Web.dll" /R:"C:\WINDOWS\assembly\GAC_MSIL\System.Design\2.0.0.0__b03f5f7f11d50a3a\System.Design.dll" /R:"C:\WINDOWS\assembly\GAC_MSIL\System.WorkflowServices\3.5.0.0__31bf3856ad364e35\System.WorkflowServices.dll" /R:"C:\WINDOWS\assembly\GAC_MSIL\System.Xml.Linq\3.5.0.0__b77a5c561934e089\System.Xml.Linq.dll" /R:"C:\WINDOWS\assembly\GAC_MSIL\System.Windows.Forms\2.0.0.0__b77a5c561934e089\System.Windows.Forms.dll" /R:"C:\WINDOWS\assembly\GAC_32\System.EnterpriseServices\2.0.0.0__b03f5f7f11d50a3a\System.EnterpriseServices.dll" /out:"C:\Documents and Settings\jkovac2593k\Local Settings\Temp\Temporary ASP.NET Files\scoreboard_active_directory_cs\6f2941ea\e691d0bf\App_Code.np7-w34p.dll" /D:DEBUG /debug+ /optimize- /w:4 /nowarn:1659;1699;1701 /warnaserror-  "C:\Documents and Settings\jkovac2593k\Local Settings\Temp\Temporary ASP.NET Files\scoreboard_active_directory_cs\6f2941ea\e691d0bf\App_Code.np7-w34p.0.cs" "C:\Documents and Settings\jkovac2593k\Local Settings\Temp\Temporary ASP.NET Files\scoreboard_active_directory_cs\6f2941ea\e691d0bf\App_Code.np7-w34p.1.cs"
 
 
Microsoft (R) Visual C# 2008 Compiler version 3.5.30729.1
for Microsoft (R) .NET Framework version 3.5
Copyright (C) Microsoft Corporation. All rights reserved.
 
h:\scoreboard_active_directory_cs\App_Code\activeDirectory.cs(136,66): error CS1955: Non-invocable member 'System.Configuration.ConfigurationManager.AppSettings' cannot be used like a method.
h:\scoreboard_active_directory_cs\App_Code\activeDirectory.cs(137,68): error CS1955: Non-invocable member 'System.Configuration.ConfigurationManager.AppSettings' cannot be used like a method.
h:\scoreboard_active_directory_cs\App_Code\activeDirectory.cs(140,33): error CS0122: 'System.Linq.Strings' is inaccessible due to its protection level
h:\scoreboard_active_directory_cs\App_Code\activeDirectory.cs(140,54): error CS0122: 'System.Linq.Strings' is inaccessible due to its protection level
h:\scoreboard_active_directory_cs\App_Code\activeDirectory.cs(140,75): error CS0122: 'System.Linq.Strings' is inaccessible due to its protection level
h:\scoreboard_active_directory_cs\App_Code\activeDirectory.cs(155,21): error CS0126: An object of a type convertible to 'string' is required
h:\scoreboard_active_directory_cs\App_Code\activeDirectory.cs(160,21): error CS0126: An object of a type convertible to 'string' is required
h:\scoreboard_active_directory_cs\App_Code\activeDirectory.cs(165,49): error CS1061: 'System.DirectoryServices.SearchResultCollection' does not contain a definition for 'Item' and no extension method 'Item' accepting a first argument of type 'System.DirectoryServices.SearchResultCollection' could be found (are you missing a using directive or an assembly reference?)
h:\scoreboard_active_directory_cs\App_Code\activeDirectory.cs(169,54): error CS1061: 'System.DirectoryServices.ResultPropertyCollection' does not contain a definition for 'Item' and no extension method 'Item' accepting a first argument of type 'System.DirectoryServices.ResultPropertyCollection' could be found (are you missing a using directive or an assembly reference?)
h:\scoreboard_active_directory_cs\App_Code\activeDirectory.cs(171,50): error CS1061: 'System.DirectoryServices.ResultPropertyValueCollection' does not contain a definition for 'Item' and no extension method 'Item' accepting a first argument of type 'System.DirectoryServices.ResultPropertyValueCollection' could be found (are you missing a using directive or an assembly reference?)
 
----------------------------------
Complete Compilation Source:
 
Line 1:    using System;
Line 2:    using System.Collections.Generic;
Line 3:    using System.Linq;
Line 4:    using System.Web;
Line 5:    using System.DirectoryServices;
Line 6:    using System.Security.Principal;
Line 7:    
Line 8:    /// <summary>
Line 9:    /// Summary description for activeDirectory
Line 10:   /// </summary>
Line 11:   public class activeDirectory
Line 12:   {
Line 13:       private string m_FirstName;
Line 14:       private string m_LastName;
Line 15:       private string m_Email;
Line 16:       private string m_FullName;
Line 17:       private string m_EmployeeID;
Line 18:       private string m_NTlogin;
Line 19:       private string m_StreetAddress;
Line 20:       private string m_City;
Line 21:       private string m_State;
Line 22:       private string m_ZipCode;
Line 23:       private string m_Department;
Line 24:       private string m_Title;
Line 25:       private string m_Phone;
Line 26:       private string m_Error;
Line 27:       
Line 28:   
Line 29:   	public activeDirectory()
Line 30:   	{
Line 31:   		//
Line 32:   		// TODO: Add constructor logic here
Line 33:   		//
Line 34:   	}
Line 35:   
Line 36:       public string FirstName
Line 37:       {
Line 38:           set { FirstName = m_FirstName; }
Line 39:           get { return FirstName; }  
Line 40:       }
Line 41:       public string LastName
Line 42:       {
Line 43:           set { LastName = m_LastName; }
Line 44:           get { return LastName; }
Line 45:       }
Line 46:   
Line 47:       public string FullName
Line 48:       {  
Line 49:           set { FullName = m_FullName; }
Line 50:           get { return FullName; }
Line 51:       }
Line 52:   
Line 53:       public string EmailAddress
Line 54:       {
Line 55:           set { EmailAddress = m_Email; }
Line 56:           get { return EmailAddress; }
Line 57:       }
Line 58:   
Line 59:       public string NTLogin
Line 60:       {
Line 61:           set { NTLogin = m_NTlogin; }
Line 62:           get { return NTLogin; }
Line 63:       }
Line 64:   
Line 65:       public string EmployeeID
Line 66:       {
Line 67:           set { EmployeeID = m_EmployeeID; }
Line 68:           get { return EmployeeID; }
Line 69:       }
Line 70:   
Line 71:       public string StreetAddress
Line 72:       {
Line 73:           set { StreetAddress = m_StreetAddress; }
Line 74:           get { return StreetAddress; }
Line 75:       }
Line 76:   
Line 77:       public string City
Line 78:       {
Line 79:           set { City = m_City; }
Line 80:           get { return City; }
Line 81:       }
Line 82:   
Line 83:       public string State
Line 84:       {
Line 85:           set { State = m_State; }
Line 86:           get { return State; }
Line 87:       }
Line 88:   
Line 89:       public string ZipCode
Line 90:       {
Line 91:           set { ZipCode = m_ZipCode; }
Line 92:           get { return ZipCode; }
Line 93:       }
Line 94:   
Line 95:       public string Department
Line 96:       {
Line 97:           set { Department = m_Department; }
Line 98:           get { return Department; }
Line 99:       }
Line 100:  
Line 101:      public string Title
Line 102:      {
Line 103:          set { Title = m_Title; }
Line 104:          get { return Title; }
Line 105:      }
Line 106:  
Line 107:      public string Phone
Line 108:      {
Line 109:          set { Phone = m_Phone; }
Line 110:          get { return Phone; }
Line 111:      }
Line 112:      public void GetData(string userid)
Line 113:      {
Line 114:          m_FirstName = GetUserInfo(userid, "GivenName");
Line 115:          m_LastName = GetUserInfo(userid, "sn");
Line 116:          m_FullName = GetUserInfo(userid, "cn");
Line 117:          m_Email = GetUserInfo(userid, "mail");
Line 118:          m_NTlogin = GetUserInfo(userid, "samaccountname");
Line 119:          m_EmployeeID = GetUserInfo(userid, "employeeid");
Line 120:          m_StreetAddress = GetUserInfo(userid, "streetaddress");
Line 121:          m_City = GetUserInfo(userid, "l");
Line 122:          m_State = GetUserInfo(userid, "st");
Line 123:          m_ZipCode = GetUserInfo(userid, "postalcode");
Line 124:          m_Department = GetUserInfo(userid, "department");
Line 125:          m_Title = GetUserInfo(userid, "title");
Line 126:          m_Phone = GetUserInfo(userid, "telephonenumber");
Line 127:      } 
Line 128:  
Line 129:      private string GetUserInfo(string inSAM, string inType) 
Line 130:      { 
Line 131:          try 
Line 132:          { 
Line 133:              string adUserID = null; 
Line 134:              string adPassword = null; 
Line 135:          
Line 136:              adUserID = System.Configuration.ConfigurationManager.AppSettings("adUserID").ToString(); 
Line 137:              adPassword = System.Configuration.ConfigurationManager.AppSettings("adPassword").ToString(); 
Line 138:          
Line 139:              string sPath = "LDAP://DC=myHostName,DC=myDomainName,DC=com"; 
Line 140:              string SamAccount = Strings.Right(inSAM, Strings.Len(inSAM) - Strings.InStr(inSAM, "\\")); 
Line 141:              DirectoryEntry myDirectory = new DirectoryEntry(sPath); 
Line 142:              DirectorySearcher mySearcher = new DirectorySearcher(myDirectory); 
Line 143:              SearchResultCollection mySearchResultColl = default(SearchResultCollection); 
Line 144:              SearchResult mySearchResult = default(SearchResult); 
Line 145:              ResultPropertyCollection myResultPropColl = default(ResultPropertyCollection); 
Line 146:              ResultPropertyValueCollection myResultPropValueColl = default(ResultPropertyValueCollection); 
Line 147:          
Line 148:              mySearcher.Filter = ("(&(objectClass=user)(samaccountname=" + SamAccount + "))"); 
Line 149:              mySearchResultColl = mySearcher.FindAll(); 
Line 150:          
Line 151:              switch (mySearchResultColl.Count) 
Line 152:              { 
Line 153:                  case 0: 
Line 154:                      return "0"; 
Line 155:                      return; 
Line 156:  
Line 157:                      break; 
Line 158:                  case 1: // ERROR: Case labels with binary operators are unsupported : GreaterThan 1: 
Line 159:                      return ">1"; 
Line 160:                      return; 
Line 161:  
Line 162:                      break; 
Line 163:              } 
Line 164:          
Line 165:              mySearchResult = mySearchResultColl.Item(0); 
Line 166:          
Line 167:              myResultPropColl = mySearchResult.Properties; 
Line 168:          
Line 169:              myResultPropValueColl = myResultPropColl.Item(inType); 
Line 170:          
Line 171:              return (string)myResultPropValueColl.Item(0); 
Line 172:          } 
Line 173:          catch (System.Exception ex) 
Line 174:          { 
Line 175:              return ex.Message.ToString(); 
Line 176:          } 
Line 177:      } 
Line 178:  }

           
         

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How do I resolve this compilation error (non-invocable member cannot be used)?

Asked by Budrophious in Programming for ASP.NET, .NET Framework 2.x, .Net Application Servers

Tags: asp.net, active directory

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