Error At Executenonquery In Vb.net
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 company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions 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 them; it only takes a minute: Sign up How to fix “ExecuteNonQuery:CommandText property has not been initialized?” error? up vote 0 down vote favorite I am getting an error , "ExecuteNonQuery: CommandText property has not been initialized" Please help !!! I have been executing this code to save data in my other forms with our any error but when i try to use this with image save its giving me this error. Sub Save_Employee() Dim conn As New SqlConnection(ConnectionString) Dim comm As SqlCommand = New SqlCommand() comm.Connection = conn conn.Open() Dim str As String = "INSERT INTO Employee_Tbl VALUES (@RegNo,@FullName,@Country,@Occupation,@WorkSite,@DOB,@Photo,@Remarks,@Status)" comm.Parameters.AddWithValue("@RegNo", RegNo_TextBox.Text) comm.Parameters.AddWithValue("@FullName", FullName_TextBox.Text) comm.Parameters.AddWithValue("@Country", Country_ComboBox.Text) comm.Parameters.AddWithValue("@Occupation", Occupation_ComboBox.Text) comm.Parameters.AddWithValue("@WorkSite", WorkSite_TextBox.Text) comm.Parameters.AddWithValue("@DOB", DOB_DateTimePicker.Text) Try Dim ms As New System.IO.MemoryStream Dim bmpImage As New Bitmap(myimage.Image) bmpImage.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg) bytImage = ms.ToArray() ms.Close() Catch ex As Exception MsgBox(ex.ToString) End Try comm.Parameters.AddWithValue("@Photo", bytImage) comm.Parameters.AddWithValue("@Remarks", Remarks_TextBox.Text) comm.Parameters.AddWithValue("@Status", Status_ComboBox.Text) comm.ExecuteNonQuery() MessageBox.Show("Saved successful!", "Employee Created", MessageBoxButtons.OK, MessageBoxIcon.Information) comm.ExecuteNonQuery() conn.Close() End Sub vb.net sql-server-2005 share|improve this question edited Apr 24 '15 at 7:36 akhil kumar 1,2281420 asked Apr 24 '15 at 6:32 Ismail Ibrahim 1 Why are you executing the command comm.ExecuteNonQuery() twice? –Selva TS Apr 24 '15 at 6:59 add a comment| 2 Answers 2 active oldest votes up vote 0 down vote You need to set CommandText property before comm.ExecuteNonQuery() comm.CommandText = str comm.ExecuteNon
resources Windows Server 2012 resources Programs MSDN subscriptions Overview Benefits Administrators Students Microsoft Imagine Microsoft Student Partners ISV Startups TechRewards Events Community Magazine Forums Blogs Channel 9 Documentation APIs and reference Dev centers Retired content Samples We’re sorry. The content you requested has been removed. You’ll be auto redirected http://stackoverflow.com/questions/29840278/how-to-fix-executenonquerycommandtext-property-has-not-been-initialized-erro in 1 second. System.Data.SqlClient SqlCommand Class SqlCommand Methods SqlCommand Methods ExecuteNonQuery Method ExecuteNonQuery Method ExecuteNonQuery Method BeginExecuteNonQuery Method BeginExecuteReader Method BeginExecuteXmlReader Method Cancel Method Clone Method CreateParameter Method EndExecuteNonQuery Method EndExecuteReader Method EndExecuteXmlReader Method ExecuteNonQuery Method ExecuteNonQueryAsync Method ExecuteReader Method ExecuteReaderAsync https://msdn.microsoft.com/en-us/library/system.data.sqlclient.sqlcommand.executenonquery(v=vs.110).aspx Method ExecuteScalar Method ExecuteScalarAsync Method ExecuteXmlReader Method ExecuteXmlReaderAsync Method Prepare Method ResetCommandTimeout Method IDbCommand.ExecuteReader Method ICloneable.Clone Method TOC Collapse the table of content Expand the table of content This documentation is archived and is not being maintained. This documentation is archived and is not being maintained. SqlCommand.ExecuteNonQuery Method () .NET Framework (current version) Other Versions Visual Studio 2010 .NET Framework 4 Visual Studio 2008 .NET Framework 3.5 .NET Framework 3.0 .NET Framework 2.0 .NET Framework 1.1 Executes a Transact-SQL statement against the connection and returns the number of rows affected.Namespace: System.Data.SqlClientAssembly: System.Data (in System.Data.dll)Syntax C#C++F#VB Copy public override int ExecuteNonQuery() Return Value Type: System.Int32The number of rows affected.ImplementsIDbCommand.ExecuteNonQuery()Exceptions Exception Condition InvalidCastExceptionA SqlDbType other than Binary or VarBinary
me If this is your first visit, be sure to check out http://www.vbforums.com/showthread.php?686843-RESOLVED-VB-NET-Error-cmd-ExecuteNonQuery!-Guide-me the FAQ by clicking the link above. You may have to register before you can post: click the register link above to proceed. http://dev.mysql.com/tech-resources/articles/ebonat-exception-error-handling-implementation-in-vbnet-apps.html To start viewing messages, select the forum that you want to visit from the selection below. Results 1 to 2 of 2 Thread: error at [RESOLVED] VB.NET Error: cmd.ExecuteNonQuery! Guide me Tweet Thread Tools Show Printable Version Subscribe to this Thread… Display Linear Mode Switch to Hybrid Mode Switch to Threaded Mode Aug 10th, 2012,09:58 PM #1 maharaskal View Profile View Forum Posts Thread Starter Junior Member Join Date Dec 2006 Posts error at executenonquery 28 [RESOLVED] VB.NET Error: cmd.ExecuteNonQuery! Guide me Hi GUys, Im getting error at cmd.ExecuteNonQuery. Kindly help me how to fix it.. thanks in advance. Code: Private Sub btnSave_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSave.Click Dim sqlinsert As String ' We use the INSERT statement which tells our program to add the information ' from the Forms Text fields into the Databases columns. sqlinsert = "INSERT INTO Contacts(FirstName, LastName, Address, CompanyName, CompanyAddress, PersonalAC, CompanyAC, PhoneNumber, Remarks, IDNum)" & _ "VALUES(@FirstName, @LastName, @Address, @CompanyName, @CompanyAddress, @PersonalAC, @CompanyAC, @PhoneNumber, @Remarks, @IDNum)" Dim cmd As New OleDbCommand(sqlinsert, con1) ' This assigns the values for our columns in the DataBase. ' To ensure the correct values are written to the correct column cmd.Parameters.Add(New OleDbParameter("@FirstName", txtFirst.Text)) cmd.Parameters.Add(New OleDbParameter("@LastName", txtLast.Text)) cmd.Parameters.Add(New OleDbParameter("@Address", txtAddress.Text)) cmd.Parameters.Add(New OleDbParameter("@CompanyName", txtCompanyN.Text)) cmd.Parameters.Add(New OleDbParameter("@CompanyAddress", txtCompanyA.Text)) cmd.Parameters.Add(New OleDbParameter("@PersonalAC", txtPersonalAC.Text))
Community MySQL.com Downloads Documentation Section Menu: Articles White Papers Case Studies Interviews About the author Dr. Ernest Bonat, Ph.D. founded Visual WWW in 2000. Visual WWW is committed to providing high-quality software business applications and establishing long-term relationships with our clients. We specialize in the design, development, test and implementation of database business applications using Microsoft / Oracle / IBM DB2 / Open Source (LAMP) technologies, including PC-based, Client/Server and Internet web applications. Ernest is a pioneer in Visual Basic windows development and has been using it since version 1.0 for DOS in 1990. Ernest has more than 20 years experience in computer software development, mathematical modeling and simulation of electronic and microelectronic devices, and manufacturing technological processes, starting from Fortran IV and Basic in 1980, and until today with Microsoft .NET technology. Sometimes he's awake at 4:00 a.m. on Saturday and Sunday mornings working on Visual Basic .NET programming optimization solutions and best practices for his clients and friends. Exception Error Handling Implementation in MySQL/VB.NET Windows Database Applications By Ernest Bonat, Ph.D.Visual WWW, Inc. Introduction Required Software Why is Exception Error Handling Required? Structured Exception Error Handling Using Statement Writing Exception Errors to a Log File MySQL Data Load with Exception Error Log File MySQL Data Insert with Exception Error Log File MySQL Data Update with Exception Error Log File MySQL Data Delete with Exception Error Log File Conclusions Introduction Error handling implementation in Windows database applications is a must for any Application Developer today. The main idea of error handling is to avoid application crashes by finding out the occurred errors and fixing them. Different programming languages have different ways of implementing error handling. Microsoft Visual Basic .NET (VB.NET) is the most common programming language for developing windows database applications today. VB.NET codes are provided in many websites, books and materials without error handling implementation.