20,278 Topics
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 | I have two forms "Sales" and "PurCh". The datagridview in the Sales form is being populated by a stored procedure that is carried out when the form loads and it works perfectly. But the datagridview from the "PurCh" form has refused to populate when the form loads. I initially thought … |
| | im trying to put an image in the background of my form so that it cptures full screen n i donno how to dp that. my code is follows: Me.BackgroundImage = System.Drawing.Image.FromFile("school.jpg") |
 | When tried to update the data I got this error "incorrect syntax near '4' Unclosed quotation mark after the character string" Can someone fixed this error Public Sub Save() Dim indate As Date = DateTimePicker1.Value.Date If String.IsNullOrEmpty(TextBox1.Text) Or String.IsNullOrEmpty(TextBox2.Text) Then 'Show your message here MsgBox("Please fill all Data") Else 'Show … |
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 | In the new versions of server 2008+ MS have added an "Application and Services" folder to Event Viewer, I dont seem to be able to programaticaly access any logs in here, My Code: Dim strValue As String Dim objLogs() As EventLog Dim Logname As String = "Microsoft-Windows-Backup" Dim objEntry As … |
| | hello! im working on a reservation system and im lacking in knowledge about how to use controls properly. the application aims to show reservations made in a month. to visualize everything, the application must look like this: http://www.planet-source-code.com/Upload_PSC/ScreenShots/PIC200661517432753.JPG all ive found from the internet are downloadable, customized components. my question … |
| | Hi, I´m not posting any code - nothing extraordinary - because it is huge and I think a more general reply would be more helpfull for this kind of situation. I have an object binded to the "Text" property of a textbox and its default-constructor value is "9" . When …  |
| | I'm having trouble understanding how to update a PDF file in a FileTable using SqlFileStream and am hoping someone here can help. I think I just need an overview of how this is accomplished. In my forms application I'm retrieving the PDF with READ access and displaying it in a …  |
| | The main issue is that vb net does not pass \ sign into my sql for saving so just trick it to replace the single "\" with double "\\" this will eliminate only one "\" while saving e.g the text box will display d:\\images\\image1.jpeg but mysql table will save it …  |
| | Hello Everyone, I'm extremely new to programming in Visual Basic and I have a programming exercise which I need help with. I have a textbox and a label on a form. The objective of the program is for the label to update with any text typed into the textbox as … |
| | Please im having a syntax error in my code. Please Help When i click on the add button it give me syntax error in query expression "order Id" blah bla Private Sub btnAdd_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnAdd.Click Dim cmd As New OleDb.OleDbCommand If con.State = … |
 | Good day folks, I just wanna ask what event should I used to detect when a form is closed unexpectedly. I want to update the Log In status of a user in my database from 'Logged In' to 'Log Out' whenever a form closes the form unexpectedly or not. Example, … |
 | Hello, I would like to make a program which stores its settings in a file, which it then reads out back. I've already tried a code, but it crashed "No Premissions to Write" I tried on my Desktop, C:/ and on mine external HDD I tried this code:`My.Computer.FileSystem.WriteAllText("C:\TestFolder1\test.txt", "This is …  |
 | Hi. I'm actually making this very basic password manager and it has 2 listboxes and when i click the Add button it adds the name on the 1st listbox and all the rest on the 2nd listbox. The problem is that when i make more items in the first listbox … |
 | I have a text file which contains the data of an image (path, latitude and longitude). the textfile is place in a listview and the data in textfile is place in textboxes. if i click one item in listview then click save. it will create an image containing the data … |
| | good day everyone! i am currently working for an information kiosk, all the data needed to be displayed is in an existing database. to avoid data tamper, since the system is a network based one, data migration is needed. so my question is, is there any codes or sample projects … |
| | Ex. You have a file in excel. In excel file they have 3 Rectangles namely Rectangle 1, 2 and 3. Then in my program I open that file, then I want to add text inside the Rectangle. Thanks! |
| | So i've been working on this little program which is meant to detect internal or external harddrives and show file sizes etc. All that is fine but the problem is that if i take the program to another computer and run it it shows "E:\" in the combobox when it's … |
 | My code works it does extract links, but these links are not what i expected to be extracted. My program would extract links inside the <a href tag which contains a specific word which i can set manually. Here is my complete code: Private Sub Button1_Click(sender As Object, e As … |
| | Im trying to create a Log in system, Using VB.net 2010, im having a hard time creating a query for the username and password, and also how to make it case sensitive. please help me,...thanks. |
| | hi guys , i am buliding the application using vb.net vs2010 ,mysql server workbench 5.2 . it works fine about the database connection and inserting and all sql operation with the mysql but now the problem is that unable to make the crystal report using that mysql it not supporting … |
 | I get error #91 at line 114 (Object reference not set to an instance of an object). What do I need to do to correct that. (I get the error either pre-declaring X or as it is now) Thanks Dim iterAAA As Single = 1 54: 55: Dim arraydciP(3) As … |
| | I have a project I currently working on. It's a management system that has forms for Sales, purchases and deaths(poultry birds). I place a menu strip on the main form and every thing seems to be right. But when try to load the purchase form, it doesn't load. I said … |
| | Hello, I have one DateTimePicker and two textbox (txtHour and txtMinute) I want insert the value of datetimepicker (date) and textbox (hour and minute from two different textbox) to DateTime data type on my table, example: 2013-08-28 12:30:00 PM --> the value of 12 got from txtHour, the value of …  |
| | Hi all, I'm struggling with a simple little program which I would use for a test to (for example) sell footbal tickets. So I have a for on which user selects a game from combobox (combobox populates from text file) and number of tickets in a numericupdown field. On "Save" … |
| | Dim startdate1 As String = DateTimePicker1.Value.Date Dim enddate As String = DateTimePicker2.Value.Date myConnection = New SqlConnection(connectionstring) myConnection.Open() Dim insert As SqlCommand = New SqlCommand(" INSERT INTO Client_Details (Contract_Name ,Client_Name ,VAT_No ,Cilent_Address,Start_Date,End_Date ,Contract_Value,Telephone_No) VALUES('" & TextBox1.Text & "','" & TextBox2.Text & "','" & TextBox4.Text & "','" & TextBox5.Text & "','" & …  |
| | I know how to change the background color of a button or label in properties, but I need help figuring out how to get it to change when it is clicked. |
| | I'm creating a simple FTP client and i want this certain label to say "List refershed" after a certain action and then after 2 seconds i want the label to say "STATUS". How can i do this?  |
| | I created tab pages with this, cmd.CommandText = "Select * from StuInfo where StuID ='" & SelectedID & "' order by PayDateDB desc" cmd.Parameters.AddWithValue("@StuID ", SelectedID) DA.SelectCommand = cmd DA.Fill(DS) DT = DS.Tables(0) RecCount = DT.Rows.Count TabControl1.TabPages.Clear() If RecCount > 0 Then For Each DR In DT.Rows newPage = New … |
| | Hi! I am using crystal report to make my report. But problem is that I cant use same SQL Command there in report parameter because its different. I am going to show you my code so that you can understand it. I have a report & a form where I … |
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