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.NET Forum / .NET Framework / General / September 2005Populating drop down list from AD
string strLdap = "LDAP://OU=Sales,DC=Company,DC=com" DirectoryEntry objOU = new DirectoryEntry(strLdap); DirectorySearcher objUserSearcher = new DirectorySearcher(objOU); SearchResultCollection objResults; //Search for user objects objUserSearcher.PropertiesToLoad.Add("cn"); objUserSearcher.Filter = "(objectClass=user)"; objResults = objUserSearcher.FindAll(); DropDownList1.Items.Add("New User"); //Loop through the search results adding each one to the combo box foreach (SearchResult objResult in objResults) DropDownList1.Items.Add(objResult.Properties["cn"][0]); What am I doing wrong here... This works for me: string strLdap = "LDAP://serverName/CN=Users,OU=Sales,DC=Company,DC=com"; DirectoryEntry objOU = new DirectoryEntry(strLdap, "userName", "password"); DirectorySearcher objUserSearcher = new DirectorySearcher(objOU, "(&(objectClass=user)(objCategory=person))"); SearchResultCollection objResults; //Search for user objects objUserSearcher.PropertiesToLoad.Add("cn"); objResults = objUserSearcher.FindAll(); DropDownList1.Items.Add("New User"); //Loop through the search results adding each one to the combo box foreach (SearchResult objResult in objResults) DropDownList1.Items.Add(objResult.Properties["cn"][0]);  SignatureCarsten Thomsen Enterprise Development with VS .NET, UML, AND MSF http://www.apress.com/book/bookDisplay.html?bID=105 Communities - http://community.integratedsolutions.dk > string strLdap = "LDAP://OU=Sales,DC=Company,DC=com" > DirectoryEntry objOU = new DirectoryEntry(strLdap); [quoted text clipped - 10 lines] > > What am I doing wrong here... Oops, to hasty in copying and pasting; replace this line DirectorySearcher objUserSearcher = new DirectorySearcher(objOU, "(&(objectClass=user)(objCategory=person))"); with DirectorySearcher objUserSearcher = new DirectorySearcher(objOU, "(objectClass=user)"); or simply use DirectorySearcher objUserSearcher = new DirectorySearcher(objOU); and add the Filter you were using in your own code snippet. SignatureCarsten Thomsen Enterprise Development with VS .NET, UML, AND MSF http://www.apress.com/book/bookDisplay.html?bID=105 Communities - http://community.integratedsolutions.dk > This works for me: > [quoted text clipped - 27 lines] >> >> What am I doing wrong here... I can get this to work perfectly in a winform. But when I want to do it from a webform it does not work. I am getting 2 error messages focused on the last line of code The best overloaded method match for 'system.web.ui.webcontrols.listitemcollection.Add(string)' has some invalid arguements and secondly Arguement 1 cannot convert from object to string. It expects an object, whose value is type string. Example: listBoxData.Add(New ListItem("apples")) Source: http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpref/html/frlr fsystemwebuiwebcontrolslistitemcollectionclassaddtopic.asp > I can get this to work perfectly in a winform. But when I want to do it from > a webform it does not work. I am getting 2 error messages focused on the last [quoted text clipped - 7 lines] > > Arguement 1 cannot convert from object to string. Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
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