20,284 Topics
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| | How to Insert, Delete and Update Data in a Datagridview using MySql as the database? There is a textboxes and button that adds data in the database and i want it to be refresh the datagridview. Can someone give me the code? thanks!.. |
 | HI, I buy a SNMP board for my project and i got some problem to understand SNMP code with VB, Can somenone help me?, i got this code under another project, and i want to use it in my project but, when i copy and paste it in my project, … |
 | Group, I'm working with a ListView box for the first time. I've figured out how to populate it with data from a database. I now want to click one line of that ListView and have it return each of the five cells from that line into 5 textboxes. I've written … |
| | Hi all. Using VB6: I have an application in which I am programmatically populating a datagrid. When I first drop the datagrid on my form, it has 2 columns by default. I can add further columns to them but I wanted to know if there was a tidy way of …  |
| | Hi group, I've been playing with a ListView and I'm struggling to get it to populated with info in a database. I'm hoping you may see something in my code that is creating the error. Dim con As New SqlConnection Dim cmd As New SqlCommand Dim rdr As SqlDataReader = … |
| | Group, I'm declaring a variable in one form that I need to make available in a second form. My code in Form1 looks like this: Public Sub FuncKeysModule(ByVal value As Keys) Select Case value Case Keys.F5 Dim searchtype As Integer If txbPartNo.Focused = True Then Popup_PartNumbers.Label1.Text = "Enter the beginning … |
| | # Login form coding # I have created a login page using Visual Studio 2008. I have the full coding but don't know where to place it. I have a addnew user link where I must add information about password and user name and check this information in the database. |
| | hi i have a database with a image(Binarycode) and i want to select that image and infomation i tryed like this but it says liki this OledbExpaession unhandled No value given for one or more required parameters. my code like this Imports System.Configuration Public Class Form9 Dim A As String … |
 | hello, i have a application, with sql database, now i want to backup every week, so i have code a but it gives error: "The process cannot access the file 'C:\Users\yogeishh\Desktop\Restaurant-Stock-Management-System\Restaurant-Stock-Management-System\DataBase\RestaurantStockDataBase.mdf' because it is being used by another process." can anybuddy solve this error?? my code is :: " Private …  |
| | hi .... im tring to insert a picture with some information to the database when i run the progaram it will display the bellow message NullRefaranceExprasion was Unhandle Object reference not set to an instance of an object. this is my full code is there is any mistake? Imports System.IO … |
| | Hello all, I am trying to get a bunch of sub-keys and values from the registry in vb 2010 and i remember in vb6 this was quite easy. Can anyone share code to help? Or a link where I can go? I've been searching for nearly 8 hours on line … |
 | Hi - I am a pretty remedial visual studio express user. I recently understood how to do cascading comboboxes using the binding sources of the related tables, eg tbl 1 Make, Table 2 model, so as eg only ford models displayed in cbo2 if Ford selected in cbo1 - thanks … |
 | Hello, I am trying to figure out a way to open MS Word inside a panel in visual studio 2010. The code I have works for certain .exe files but if I try with word or excel it opens it's own window. Can anyone tell me if this is possible? … |
| | Hi guys,i was having this problem with inserting a record into access database in visualstudio 2010. here's the problem,here's the code bridgenumber = TextBox1.Text.ToString() bridgename = TextBox2.Text districtname = ComboBox1.Text sectionname = ComboBox2.Text roadsegmentname = ComboBox3.Text bridgetype = ComboBox4.Text bridgespan1 = TextBox3.Text bridgecondition = ComboBox5.Text acquisitionyear1 = ComboBox6.Text evaluationyear1 = … |
 | Hi it's me again with the silly problems in my vb .net codes :( I have a serious problem with combo box i need to use the selected item in combo box when user selects for example GREEN from be drop down list after than i need to put that … |
 | Someone here who can help me on how to add/update/save/edit/delete row from a bound datagridview in vb.net 2010 and automatically update the database (which is MS Access 2007). please give me the code. thanks in advance.  |
| | Hello and thanks for any help you may give to me in advance. Im using vb.net 2010. MS Access 2007 database and a datagridview. I have a problem, I want to add/delete/edit data to bound datagridview and will automatically update the database (which is the MS Access 2007 database - … |
| | Group, I've been working for several hours trying to correctly write to a database file. Here are the parameters: Database Name: DATADESIGNSOLUTIONS Table Name: PRINTERMAINT Column Names: PrinterID (primary Key), PrinterName, PrinterNumber, PrinterLocation, PrinterAddress I've been working at this two ways: through the Visual Basic code and through SQL Server … |
 | I want to make a small logo in the upper corner of a Form rotate. I've seen on some forums that they have small avatars dancing and such, so I imagine it would be posible to make a tiny image rotate by it self up in the corner in a … |
 | hi guys, wondered if anyone could help please, i have populated my combobox with the names i want, but im at a total loss on how to populate the textboxes based on my selection im guessing its got something to do with combobox_selectedIndexChanged but i dont know how to do …  |
| | pls i need a vb.net procedure using sql statement to save data with 5 columns and 10 rows from listview for example,to my access database.Thanks.  |
| | I am presently doing a project in vb 2008 where the database that i need is in MS Access... I have windows 7 64bit OS and msjet4.0.dll in the c:\WINDOWS\SYSWOW64 folder but still when i run the .vb code i get an error ...as follows.. The 'Microsoft.JET.OLEDB.4.0' provider is not … |
| | I want those text files(log files) in a folder that is created today that has name as something20130416 and which has the word error only in the last 5 lines of it. Then attach these files and send to an email address. Am completely new to VB. I don't know … |
 | Hi everyone. There is a program that I'm writing and now I'm stuck here, What I'm doing is the verifier where I have 13 words and these words I've wrote them one each label that means I have 13 labels which are named w(number) e.g. label1 is named w1 and … |
| | Hi all! I'm trying to perform a mysql database from vb.net. I use this code: Process.Start("C:\Program Files (x86)\MySQL\MySQL Workbench CE 5.2.44\mysqldump.exe", "--user=root --password=mypassword " _ & "--host=127.0.0.1 --databases MySQL databasename -r ""C:\GreatestHR Backup\BackUpDataBase.sql""") When this code runs, a command prompt window opens and goes away immediately that i can't even … |
 | 1) Wap that draws a pyramid. Use class graphic path and method drawpath 2) Write a console application that implements a csquare shape. Class csquare should contain a property side for accessing private data. Provide 2 constructors one that takes no argument and another that takes a side length as … |
| | Friends, I Want to Update My Connection String During Setup Installation on Client PC, Please Suggest Me How It's Possible...  |
| | Hi group, Within one form, I need to run a routine twice. Obviously, I can write the code twice in the two places it needs to run. Isn't there a way to write the routine one time and the call it in two places within the form? Would this be …  |
| | I'm getting an error for using a variable before it's assigned a value, but, I'm not sure why. Imports System.IO Public Class Form1 Dim colWeather As New Collection Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load 'Add listbox items upon form load. With lstAltitudes.Items .Add("03000") .Add("06000") … |
| | 'I am working on a dictionary project for word meaning search which is written in VB10.net . it contain around 8,000 pairs of word and meaning. 'When i run, it loads perfectly but when i click on the search button it start "Not responding" for around 30 seconds. Then it … |
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