19,729 Topics
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| | Hi I Currently working on a project to schedule installers to do installations. When scheduling the user will select the day of intall and if the number of days the instalation will take or motning or afternoon if its only hafday and I want the application to search which installer … |
| | Who can help me with the following For Each Con As Control In GroupBox1.Controls If Con.GetType Is GetType(Button) Then Con.BackColor = SystemColors.Control Con.UseVisualStyleBackColor = True End If Next Can someone help me to fix it with Con.UseVisualStyleBackColor = True or do i have to do the for all buttons separate …  |
| | i am using vb asp.net **error**: there is already an open DataReader associated with this Command which must be closed first. working on this issue for couple weeks now and i have no idea how to fix this. any help will be helpful i am using 2 reader on page …  |
 | Hi, Good day, Hope someone can help me on this. I want to display data from my Ms. Access Database. I already display values from my Combo Box from my DB1. DB1 - IDNO / PRODUCTCODE / PRODUCTNAME DB2 - IDNO / PRODUCTCODE / PRODUCTDESCRIPTION / EXPIRYDATE ComboBox - Displays …  |
| | my code is this: Me.Validate() Me.CFTINVENTORYBindingSource.EndEdit() Me.TableAdapterManager.UpdateAll(CFTDataSet) At first I can insert data into the cells and save it... but when i try to edit the same cell with data already saved in it I get this error... sqlcelexception was unhandled There was an error parsing the query. [ Token …  |
 | i want to update row after union conection code conect Dim cmd As OleDbCommand = New OleDbCommand("SELECT tb1_type ,tb1_price FROM tb1 UNION SELECT tb2_supp,tb2_debt FROM tb2 UNION SELECT tb3_name,tb3_price FROM tb3", con) con.Open() DataAdapter1 = New OleDbDataAdapter(cmd) Dim builder As OleDbCommandBuilder = New OleDbCommandBuilder(DataAdapter1) DataSet1 = New DataSet() DataAdapter1.Fill(DataSet1, "tb1,tb2,tb3") …  |
| | Hi can someone give me the code how i make the first and last word of a string to Propr case The folowing gives all words to proper case Dim plaats As String = Replace(TextBox1.Text, "'", "''") plaats = StrConv(plaats, VbStrConv.ProperCase) I want, shall we say: "ohe en laak" to … |
 | i have 3 table i inner join with 3 table and add function but now getting error please help me how to solve the the problem please help me ERROR :Msg 8120, Level 16, State 1, Line 1 Column 'TBL_pur_inv.invno' is invalid in the select list because it is not … |
 | can you help me in my program ? i want to connect my log in form to my database but i dont have any idea on how to connect it .pls help me .  |
 | Good day, I am newbie on programming and started to learn vb.net, What I would like to do is to create an attendance system that have a time in and time out , once the person successfully timed in it displays on form the … |
| | Several people have asked how to export data to Excel. This code snippet shows how to export the data from a listview in details mode to a new Excel spreadsheet. Take note of the comments in the header to avoid having orphaned Excel.exe tasks eat up your system memory. |
 | Hi everyone I want to develop an app with characteristics below: - open a picture in A4 or A5 size in a picturebox - insert text on the picture in certain places - printing the picture and the text inserted in A4 or A5 size. first I want to use …  |
 | I am new to vb.net trying to create one small project. I am getting the error "NO VALUE GIVEN FOR ONE OR MORE REQUIRED PARAMETERS" Please help me. |
 | i tried a code which was already found here but it was showing cmbserver and cmbdatabase was not declared and was inaccessable due to its protection level so im troubled and dont know what to do can anyone help  |
| | I use below code to backup mySQL database. I want to save sql database by save file dialog. I use this, Sub CreateBackupc() Dim mysqldumpPath As String = "C:\Program Files (x86)\MySQL\MySQL Server 5.0\bin\mysqldump.exe" Dim host As String = "localhost" Dim user As String = "root" Dim pswd As String = … |
| | I am currently working on a program to track my mile for my monthly expense report for work. Everything is working great, however, I can not for the life of me find a code to write 8 lines from the text file back into the listview on my form. I … |
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 | sqlconnection = new SqlCeConnection(ConnectionString); sqlcommand = new SqlCeCommand(); sqlconnection.Open(); sqlcommand.Connection = sqlconnection; sqlcommand.CommandText = (@"UPDATE ItemStock_Info SET Quantity =@qun WHERE [Item_Number]='"+ textBox1.Text +"'"); sqlcommand.Parameters.Add("@qun", qun); |
 | I have a vb based software which is very old running on sql server 2000. When I tried to take a report, it says "runtime error 9 Subscript is aout of range".where to find this subscript? Please help me out.Thanks in advance |
 | At the beginning welcome all. I have a big problem and I can not deal with it. I would like to refresh dategridview after adding and editing data. I try to add ShowData() function on closing Form2 and that didn't work. Thanks for any help or advises :) and link …  |
 | Im working on a one huge project that is combination of many sub projects which is talking to eachothers and they all use apart from data base whice responsible to manage user's account i dont want to work with one database so i have to isolate each project's database and …  |
| | 1- I want to edit the search code where I search all the fields with no repetition of the data 2- And modify the deletion code where it deletes and saves the data all code Imports System.Data.OleDb Public Class Form1 Public con As New OleDb.OleDbConnection("provider=microsoft.ace.oledb.12.0;data source=" & Application.StartupPath & "\web_database.accdb;Jet … |
 | i have a simple database where i want to sum Amount of one one text box at the footer of my form textbox. Am using access as the database |
 | Hello Daniweb-Community, I got a node in my xml-File for a java-link. it looks like "C:\Program Files (x86)\Tool7\javaw.exe -splash:splash.png -cp ./cl/cl.jar; -Dawt.useSystemAAFontSettings=on" If i start the tool by double click on the node, it doesn´t start it, because it doesn´t load the arguments. Next i createt a new attribut (called … |
| | The present code snippet just does an especific task. This is, given an ordered sequence of natural numbers, starting at zero, generate all the different permutations there can be. When we talk about permutations, the order of the sequence does matter. So, the sequence 0, 1, 2 differs from 2, … |
 | I am trying to make a windows form application using Visual Basic 2017. I want to display messaged using a label and a Next Button and a Back Button. Every time the Next Button is click I want the message to update and change to whatever you put in your …  |
 | I am working in vb.net in that i need to get all the data of gridview column number2 and store it into dictionary. please give a solution it is urgent |
| | Visual Studio suddenly close when i open crystal report right click on page and design>page setup i try many time result is same please help me please.... please help me https://ibb.co/iBfiaG I used --- vb.net-2010 sql server 2008 r2 crystal report 13 OS windows 8.1 |
 | I'm developing a login page for my web-based(asp.net)visual basics application, I want the user name entered on the login page be visible on a label on the redirected form. I page redirect depeding on various occations, for example if the entered user name is for a system administrator I want …  |
 | Hi DW. Is there anyone know how to detect a pre-recorded sound on an audio? What I mean is taking a face detection as an example. To recorgnize that face you need to first have the image you want to use to match or compare with on other image or …  |
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