Error Occurred Creating The Form
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here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the an error occurred creating the form see exception innerexception for details workings and policies of this site About Us Learn more about Stack an error occurred creating the form class not registered Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions error occurred when creating filtergraph Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join an error occurred when creating the backup folder them; it only takes a minute: Sign up Error occurred creating the form. See Exception.InnerException for details. The error is: Object reference not set to an instance of an object up vote 0 down vote favorite When running my VB.Net code (below), I get the following error: An unhandled exception of type 'System.InvalidOperationException' occurred in CropModel.exe An error occurred
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creating the form. See Exception.InnerException for details. The error is: Object reference not set to an instance of an object. Private Class Frm_Main Private Sub Form_MainControl_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load Me.Reinsurance_YearTableAdapter.Fill(Me.CUNACropModelDataSet.Reinsurance_Year) Me.Ref_CropTableAdapter.Fill(Me.CUNACropModelDataSet.ref_Crop) Me.MdiParent = MDIParent1 End Sub Private Sub Button_ModelLoss_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button_ModelLoss.Click Frm_LossModel_Select.MdiParent = MDIParent1 Frm_LossModel_Select.Show() Frm_LossModel_Select.Activate() 'Me.Close() End Sub End Class The debug points the issue in the following line: Frm_LossModel_Select.MdiParent = MDIParent1 Seems this error is very general. Is it possible to know where the actual error is being caused in Frm_LossModel_Select (if it is even being caused there)? The only things changed in that form were DataSet names and table names from SQL and I made sure those were all being referenced properly. If additional code is needed for this issue, I'd be more than willing to provide. Thanks! vb.net share|improve this question edited Mar 5 '15 at 21:34 Plutonix 29.5k112548 asked Mar 5 '15 at 21:25 Kristina 11 I doubt that is the correct line -
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the
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company Business Learn more about hiring developers or posting ads with us Stack Overflow an error occurred creating the configuration section handler Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 an error occurred creating the configuration section handler for usersettings million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up An error occurred creating the form. See Exception.InnerException for details. in visual basic 2010 up vote 0 down vote http://stackoverflow.com/questions/28888045/error-occurred-creating-the-form-see-exception-innerexception-for-details-the favorite I am making a spelling bee program it contains a login system and have spent weeks trying to fix this certain error i am having here is my error: An error occurred creating the form. See Exception.InnerException for details. The error is: The type initializer for 'Spelling_Bee_Programme.test' threw an exception. Here is my login code for the login system: Imports System.Data.OleDb 'imports system O.L.E.D.B(Object Linking and Embedding database) functions Public Class formlogin http://stackoverflow.com/questions/20275017/an-error-occurred-creating-the-form-see-exception-innerexception-for-details-i ' startes class formlogin for the whole form Public Shared db_connection As New OleDbConnection 'declares db_connection as global variable and sets as new system O.L.E.D.B(Object Linking and Embedding database) connection Public Sub cmdlogin_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmdlogin.Click ' when cmdlogin button pressed do following Dim time_data As String 'declares time_data as datatype string Dim file As String = "E:\login.txt" ' creates varible "file" and sets value as directory location txtuser.Text = txtuser.Text.ToLower() 'This ensures that the username is converted to lowercase so database doesn't have a problem with random capitals being in a username txtpass.Text = txtpass.Text.ToLower() 'This ensures that the password is converted to lowercase so database doesn't have a problem with random capitals being in a password txtuser.Text = Trim(txtuser.Text) ' removes spaces at start and end of text in txtuser's text property txtpass.Text = Trim(txtpass.Text) ' removes spaces at start and end of text in txt formlogin.db_connection.ConnectionString = "Provider=Microsoft.jet.OLEDB.4.0; Data Source= H:\Spelling Bee Programme\Spelling Bee Programme\DBmainframe.mdb" If txtpass.Text = "" Then ' clears textbox of passwordOr txtuser.text = "" ' clears textbox of usernameThen 'If username or password textbox is empty then do following MsgBox("please enter a username or password") 'make a messagebox pop up and tell user that they have not entered anything in the textbox. db_connection
Tips/Tricks Top Articles Beginner Articles Technical Blogs Posting/Update Guidelines Article Help Forum Article Competition Submit an article or tip Post your Blog http://www.codeproject.com/Questions/587177/Anpluserrorplusoccurredpluscreatingplustheplusform quick answersQ&A Ask a Question View Unanswered Questions View All Questions... C# questions Linux questions ASP.NET questions SQL questions VB.NET questions discussionsforums All Message Boards... Application Lifecycle> Running a Business Sales / Marketing Collaboration / Beta Testing Work Issues Design and Architecture ASP.NET JavaScript C / C++ / MFC> ATL / WTL / STL Managed C++/CLI error occurred C# Free Tools Objective-C and Swift Database Hardware & Devices> System Admin Hosting and Servers Java .NET Framework Android iOS Mobile SharePoint Silverlight / WPF Visual Basic Web Development Site Bugs / Suggestions Spam and Abuse Watch features Competitions News The Insider Newsletter The Daily Build Newsletter Newsletter archive Surveys Product Showcase Research Library CodeProject Stuff error occurred creating communitylounge Who's Who Most Valuable Professionals The Lounge The Insider News The Weird & The Wonderful The Soapbox Press Releases Non-English Language > General Indian Topics General Chinese Topics help What is 'CodeProject'? General FAQ Ask a Question Bugs and Suggestions Article Help Forum Site Map Advertise with us About our Advertising Employment Opportunities About Us Ask a Question All Questions All Unanswered FAQ An error occurred creating the form. See Exception.InnerException for details. The error is: Class not registered (Exception from HRESULT: 0x80040154 (REGDB_E_CLASSNOTREG)) Rate this: Please Sign up or sign in to vote. See more: VB VB.NET hi all,when i run the code above error is occurred .If any one knows any solution plz help me........ Posted 2-May-13 20:58pm gkelkar427 Add a Solution 1 solution Rate this: Please Sign up or sign in to vote. Solution 1 Accept Solution Reject Solution From your question it's not clear that where you get this error. and scenerio while you run the code. Refer this link:- http://support.esri.com/en/knowledgebase