20,278 Topics
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| | I am designing a software with front-end **VB.NET 2010** and back-end **MySQL**. Please assist me i want to deploy this application as an executable file with the MYSQL database embedded. How can i do this. if anyone with step by step procedure i will be grateful. im a newbie. |
 | Group, I'm trying to change the "sa" password to my SQL Server Database via the 2008 SQL Server Manager Express. I have followed every instruction dillegently and can't seem to "complete" the change. Each time when trying to login with the SQL Server Authentication, I get the error message that … |
| | Hi, I would like to know how to view shutdowntime from another IP address. I only know how to view it from my localmachine. This is my code: Protected Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click Label1.Text = GetLastSystemShutdown().ToString() End Sub Public Shared Function GetLastSystemShutdown() As … |
| | Problem: How many times must I will I need to throw two dice to get three 2’s, three 3’s, three 4’s, three 5’s, three 6’s, three 7’s, three 8’s, three 9’s, three 10’s, three 11’s and three 12’s. Write a program that will roll two dice over and over until …  |
 | I try to export my tables to excel in multiple sheets but i'm having an error state that object variable or with block variable not set. Hope anyone can help me. Here's my code. Private Sub exportexcel_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles exportexcel.Click Dim del_cmd As New … |
| | Saving data in ms access database from software on 32-bit platform runs perfectly well..But when I try to save data using same software on 64-bit application throws below error: **System.Runtime.InteropServices.ComException. Datatype mismatch in criteria expresssion. ** I have declared some variables as SHORT in my application and in database those …  |
| | Hi, I have a combobox, textbox, listbox, and a save button. Combobox is filled with illness names stored from database. Every illness that will be selected from the combobox, its symptoms will be listed in the listbox. When a symptom is typed in the textbox and save button is clicked, … |
| | Hello Group, I'm beginning to understand the connections required to return information from your database. I'm now trying to return multiple lines from the database that have the same "prefix" within the part number. As my example, I have two records within my database that both start with "AO0025". I … |
| | I've done some searching, but just can't find a solution to this seemingly simple problem. Maybe I'm going about it the wrong way. I simply want to highlight the row that the mouse pointer is over in a Listview (using the Details view). I know you can use the HoverSelection …  |
| | im trying to convert my date from MySQL to a textbox.text and its giving the msg unable to convert MySQL date/time value to system.datetime dim tempdate as date TempDate = dr.Item("dob").ToString txtDate.Text = TempDate.ToString someone please help |
| | Okay, here is my problem. The instructions are I would have to store the minimum points and grades in a five row two column array. The procedure should display the grade corresponding to the number of points entered by the user. Minimum Points Maximum Points Grades 0 299 F 300 … |
 | Hi guys can you help me out. i want to display the item in my textbox but how can i do that i tried to search tru web but nothings working for me. it is something like this "SELECT Department FROM Table1 WHERE Department = " & .Textbox1.Text & "" … |
| | I have limited knowledge in coding. can anyone tell me what is worng with my code? the firstrow result in the database is not updated, but it is updated in datagridview. For i As Integer = 0 To DataGridView1.RowCount - 1 DataGridView1.Rows(i).Cells(11).Value = "true" Next SmsdDataSet.AcceptChanges() |
| | I'm trying to build an user interface based on keywords from a text file. My search can now determine the index of each key word I apply. What I'd like to be able to do is then pull those indexes in numerical order from the textbox I saved them to. … |
 | At the moment I am making a simple pong game in my tenth grade high school class. It is already much more advanced than any of the other projects that people are working on and I will get an A no matter what, but I still have a problem that … |
| | I have an access database which I am using with .net, I can search tables and maker very specific searches no problem, trouble is that I can't work out how to make global searches. IE search entire databse for "fred" or search a single table for "fred". Anyone know what …  |
 | i have a datetimepicker and a textbox i code inside in the datetimepicker Private Sub DateTimePicker2_ValueChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles DateTimePicker2.ValueChanged TextBox1.Text = DateTimePicker2.Value.ToString ''7/16/2015 9:03:03'' PM is the output i my textbox, how i will remove the time when i input a date from the … |
| | I have a problem with retrieving data from access databse. I make the connection and retrieve the data no problem. But when the data changes from another use of the database, I cannot get the new changed data without reloading the complete programme. Even repeating the load functions does not … |
 | Hi, I am trying to store individual lines of a .txt file in a ComboBox, here is my code: Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load Dim FILE_NAME As String = "history.txt" If System.IO.File.Exists(FILE_NAME) = True Then Dim objReader As New System.IO.StreamReader(FILE_NAME) Dim Line As String = … |
| | Gentlemen, I have found a very nice tooltip control on the following link http://www.planet-source-code.com/vb/scripts/ShowCode.asp?txtCodeId=6967&lngWId=10 I tried to convert it to vb.net , and the solution works , but with some error . I beleive it is related to the namespace issue. Please check attached file for the C# source code … |
| | Hello I'm new here and have been searching for a while but haven't came up with any results that satisfies my question. Basaically I'm making a tool that is sort of an account manager and needs to read some usernames from sample text file for example Sample.txt: username1:password1 Username2:password2 I … |
 | Hi, in vb 6.0 the listview had a view property, if you set that property to Icons you could move the ítems wherever you wanted but now i don't see anything like that, the behaviour i want to have is like the Windows desktop where you can move the ícons … |
| | hello everyone. i need to check if random number generated each time button clicked have not been generated before. i'm saving random number to array each time button clicked then i need to check if after second click of the button numbers are different if not then generate new random … |
| | I'm trying to read and return info from an SQL database. To ensure you have the details, here's the basic info: The database is called "DataDesignSolution" The table is called "INVENTORY" I'm trying to read the columns "INV-PART-NUMBER" and "INV-DESCRIPTION". I've written the following code hoping to SEARCH through the … |
| | Hello, I'm having error when I try to filter my data (name) In my Personal table, I have a column for name for ex: Mary Elizabeth Roger When I type the name in searchbox, it appears as syntax error. Here's my code Private Sub SearchPD_Record() Dim da As New OleDbDataAdapter … |
| | i have 4 private sub. when i code it in the form_load , one private sub is not functioning? what will i do? |
| | here is may code the error is .ExecuteNonQuery() thx for helping Imports System.Data.OleDb Public Class registration Private Sub registration_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load Dim connectionstring As String = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=|datadirectory|\db1.accdb; persist security info = false" conn.ConnectionString = connectionstring If conn.State = ConnectionState.Closed Then MsgBox("open") Else … |
| | Hi everyone. I'm new in Visual Basic(i work in Visual basic 2010) and i have a problem and hope u will help me. I want to load image to pictureBox depending on randomly generated number. For example if random number is 14 then i want to load image with the … |
| | show the data records on textbox when select the value from combobox in vb.net. perform various finding process in vb.net.  |
| | Hello, I'm currently doing my project in VB and connect with access that have three tables in database. I have three buttons to show three different table in my database. I'm using datagrid and when I click on radio button 1st table, it will show the data in my 1st … |
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