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Asked: 2026-06-15T04:51:43+00:00

I am trying to insert some data from my web app into a database

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I am trying to insert some data from my web app into a database table. Whenever I run the code it jumps to the exception straightforward. Even if I set breakpoints, the debugging doesn’t stop in order for me to check the parameters. I even checked if the table would accept the datatype inserted from my web app by inserting the same data manually into the table and its working.

Here is my code

 Protected Sub Button2_Click(sender As Object, e As EventArgs) Handles Button2.Click

        Dim IP As String = TextBox3.Text
        Dim Country_Code As String = TextBox4.Text
        Dim Country As String = TextBox5.Text

        Dim conn As New SqlConnection("Data Source=***.***.***.***;Initial Catalog=IP_Loc;User ID=********;Password=************;Integrated Security=True")
        Dim cmd As New SqlCommand

        Try
            conn.Open()
            cmd = New SqlCommand("INSERT INTO IP_Info(IP, Country_Code, Country) VALUES (@IP, @Country_Code, @Country)", conn)
            cmd.Parameters.AddWithValue("@IP", IP)
            cmd.Parameters.AddWithValue("@Country_Code", Country_Code)
            cmd.Parameters.AddWithValue("@Country", Country)
            cmd.ExecuteNonQuery()
            conn.Dispose()
            conn.Close()

        Catch ex As Exception
            MsgBox("Database Connection Error")
        End Try

I have covered the User ID and Password as it is a local server. Any suggestions on how to tackle the issue?

Here is the Error it is at conn.open()

System.Data.SqlClient.SqlException: Login failed for user 'Server'. at System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection) at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) at System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj) at System.Data.SqlClient.SqlInternalConnectionTds.CompleteLogin(Boolean enlistOK) at System.Data.SqlClient.SqlInternalConnectionTds.AttemptOneLogin(ServerInfo serverInfo, String newPassword, Boolean ignoreSniOpenTimeout, Int64 timerExpire, SqlConnection owningObject) at System.Data.SqlClient.SqlInternalConnectionTds.LoginNoFailover(String host, String newPassword, Boolean redirectedUserInstance, SqlConnection owningObject, SqlConnectionString connectionOptions, Int64 timerStart) at System.Data.SqlClient.SqlInternalConnectionTds.OpenLoginEnlist(SqlConnection owningObject, SqlConnectionString connectionOptions, String newPassword, Boolean redirectedUserInstance) at System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, Object providerInfo, String newPassword, SqlConnection owningObject, Boolean redirectedUserInstance) at System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions options, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection) at System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnection owningConnection, DbConnectionPool pool, DbConnectionOptions options) at System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection owningObject) at System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnection owningObject) at System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject) at System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection) at System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) at System.Data.SqlClient.SqlConnection.Open()

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1 Answer

  1. Editorial Team

    you have declared sqlcommand two times. corrected program

     Protected Sub Button2_Click(sender As Object, e As EventArgs) Handles Button2.Click

            Dim IP As String = TextBox3.Text
            Dim Country_Code As String = TextBox4.Text
            Dim Country As String = TextBox5.Text             
                Try
        Dim conn As New SqlConnection("Data Source=***.***.***.***;Initial   Catalog=IP_Loc;User ID=********;Password=************;Integrated Security=True")
                conn.Open()
            Dim cmd As New SqlCommand("INSERT INTO IP_Info(IP, Country_Code, Country) VALUES (@IP, @Country_Code, @Country)", conn)
                cmd.Parameters.AddWithValue("@IP", IP)
                cmd.Parameters.AddWithValue("@Country_Code", Country_Code)
                cmd.Parameters.AddWithValue("@Country", Country)
                cmd.ExecuteNonQuery()
                conn.Dispose()
                conn.Close()

            Catch ex As Exception
                MsgBox("Database Connection Error")
            End Try
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