20,284 Topics
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 | Hi, I'm just confuse about this.. I am making a form with 2 datetimepicker controls which are the Start and End date and when I click the action button it displays all the departments covered with the start-end date and it works fine but the problem is it loads all … |
 | How can add new tab on a tab page control by clicking a child node in a treeview? |
| | How to maximize forms? What i mean is that, if i maximized my form. The objects inside will be maximized too and will be on the same position. Objects such as Tab Control, Tree View, List View and other objects. Thanks. |
| | hi i have these codes: Dim dt As New DataTable ' Create four typed columns in the DataTable. dt.Columns.Add("ConflictingPaper", GetType(String)) dt.Columns.Add("Numberofstudents", GetType(Integer)) dt.Columns.Add("AdminNo", GetType(String)) Dim query1 = (From a In dt3 Group CStr(a.Field(Of Integer)("PaperNo")) By AdminNo = (a.Field(Of String)("AdminNo")) Into Group Select dt.LoadDataRow(New Object() {String.Join(":", Group.ToArray()), Group.Count(), AdminNo}, False)).ToList().Count() DataGridView3.AutoGenerateColumns … |
| | Hi, I just need a little help here, I wanted to copy the rows in current form's datagridview to another form's datagridview. Here is my example rows in datagridview1 in current row ID | ProID | Name 1 | 1 | Shirt 2 | 1 | Shoes 3 | 2 … |
| | Hi, i have this datatable dt3 which looks like: ADminNo PaperNo 111411H 3 111411H 18 172828z 3 172828z 18 111380Y 93 111938S 10 How to i get something like: ConflictingPaper Numberofstudents AdminNo 3 : 8 2 111411H 172828z so on and so forth. to populate in a datagridview. i tried … |
 | Dim i1 As Integer Dim i2 As Integer For i1 = 0 To Me.DataGridView5.Columns.Count - 1 For i2 = 0 To Me.DataGridView5.Rows.Count - 1 If String.IsNullOrEmpty(Me.DataGridView5.Item(i1, i2).Value) Then MessageBox.Show("You must fill in all cells before you can save the data.", "Empty Cells", MessageBoxButtons.OK, MessageBoxIcon.Information) DataGridView5.Rows(i1).Cells(i2).Style.BackColor = Color.Bisque 'Index was out …  |
| | Greetings fellow developers i just want to ask for help on how to slide the panel from right to left of the screen. I only know the sliding panel from left-to-right but is it possible to slide the panel from right-to-left? |
| | For i = 0 To DataGridView1.Rows.Count - 1 ' Dim row1 As Integer = DataGridView2.Rows(i).Cells(1).Value.ToString Dim row1 As Integer = Nothing Dim row2 As String = Nothing Dim row3 As String = Nothing Dim row4 As String = Nothing Dim row5 As String = Nothing Dim row6 As String = … |
| | I created a combobox with certain values in it, I need to read the selection from the combobox into a text box. Any suggestions to help me get started? |
 | I am currently making a subreport and I found it very tricky to do. I already created a parameter(ID) that would link Report2 to Main Report but still it doesn't work. I have two datasources: LoanerDataSet for the main report and LoansDataSet for report 2. I would like to ask … |
| | Private Sub one_btninsert_Click(sender As Object, e As EventArgs) Handles one_btninsert.Click For i = 0 To DataGridView1.Rows.Count - 1 Dim row1 As Integer = Val(DataGridView1.Rows(i).Cells(1).Value.ToString) Dim row2 As String = DataGridView2.Rows(i).Cells(2).Value.ToString Dim row3 As String = DataGridView2.Rows(i).Cells(3).Value.ToString Dim row4 As String = DataGridView2.Rows(i).Cells(4).Value.ToString Dim row5 As String = DataGridView2.Rows(i).Cells(5).Value.ToString Dim row6 …  |
| | Hi again DaniWeb, this time I'd like you to help me with the text alignment options available in a standard text editing application. My problem is, even though I got the application to successfully align the text where I want it, that if I click on every single option (Justify …  |
 | I want to create two buttons that would pause and resume my backgroundworker but it is giving me an exception error of "Object reference not set to an instance of an object". It seems like the resetevent is not linked with my BackgroundWorker and i don't know how to link … |
| | Private Sub btnupdate_Click(sender As Object, e As EventArgs) Handles btnupdate.Click Dim myindex As Integer Dim reg As Integer Dim roll As Integer Dim nepaliw As Integer Dim nepalio As Integer Dim mathw1 As Integer Dim matho As Integer Dim mathw2 As Integer Dim engw As Integer Dim engo As Integer …  |
 | Hi there ! how to select row from datagridview when column have cells is empty I tried this but nothing worked Please help on this private void selectrow() { int i; for( i=0 ;i<dataGridView1 .Rows .Count -1;i++) { string row = dataGridView1.Rows[i].Cells["Name"].Value.ToString(); if (row =="") { sqlconn.Open(); string sqlquery = …  |
| | i am working on a project and theres a feature that i seemingly want to include, it is the attachment of a word file in an email and the values that are included in the letter are imported from the database using vb.net is there a way to import values … |
 | How to popup alert message to a 2nd client end when a new data enter in database done by client1 on network ? for example me and my friend using an application for data entry, when i enter any data through software he get an alert message that new data … |
 | Hello, I am using checkboxes for the users to choose one of the options given. My problem is, the checkbox does not uncheck after the data has been inserted into the intended spreadsheet. Means, I have to use command button with clearform instruction to clear the checkbox. How do I …  |
 | Hi Guys, the project im currently creating is a basic form with calculations, which all works great, my task now is to save the form data (labels, textbox data etc) to a word document, now i have achieved it to do this, but i had to specify the name of … |
| | could any one please help me with the code for creating a MS word document from a record that already exists in the database using vb.Net coding.. thank you in advance |
| | Grpnursery.Top = 38 Grpnursery.Left = 20 grpone.Top = 38 grpone.Left = 20 i have 15 groupbox in my form and i want them all to be in same position in form. How to make a function of position and all call to all the controls.. function position() dim grp as … |
| | Hi, i have this query: cmd.CommandText = "SELECT DISTINCT PaperNo,ModuleCode1,ModuleCode2,ModuleCode3, ModuleCode4, ModuleCode5, ModuleCode6, ModuleCode7, ModuleCode8, ModuleCode9 FROM(PapersList)ORDER BY PaperNo ASC" and i have this code to loop: Dim dt3 As New DataTable dt3.Columns.Add("AdminNo", GetType(String)) '/*Add column AdminNo dt3.Columns.Add("PaperNo", GetType(Integer)) Dim curmodule As String = String.Empty For Each dr2 As DataRow … |
| | i have dt1 from a query cmd.CommandText = "SELECT DISTINCT AdminNo, ModuleCode FROM(SEGDATA)ORDER BY AdminNo ASC, ModuleCode ASC" Dim dt1 As New DataTable dt1.Load(cmd.ExecuteReader) DataGridView1.AutoGenerateColumns = True DataGridView1.DataSource = dt1 another query dt2 cmd.CommandText = "SELECT DISTINCT PaperNo,ModuleCode1,ModuleCode2,ModuleCode3, ModuleCode4, ModuleCode5, ModuleCode6, ModuleCode7, ModuleCode8, ModuleCode9 FROM(PapersList)ORDER BY PaperNo ASC" Dim dt2 … |
 | IF I wanted to change the text inside of a RichTextBox on the click of a button. What code do I need? So far I have: Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click RichTextBox1.Text(???? What goes here? because I'm getting Property access must assign to the property … |
| | Hey, I'm very new when working with %userprofile% ect, The code I have now is. When I press the button VB tell me It cannot find the directory. Please note I've tried %Userprofile%, %userprofile% Nothing will work :/ What's wrong? And How do I go about fixing this. Private Sub … |
| | Dear all I have a private MSMQ on a server in workgroup mode (SBS 2011) On a client I can see the queue using System.Messaging.MessageQueue.GetPrivateQueuesByMachine(servername) and am able to read the name of the queue. I am able to write to the queue but am unable to retrieve anything from … |
| | Running VB-2012 on Windows8 PC using MS-Access 2010 (.accdb) and ACE12, I am now getting this error on the database connection. When I used Vb-2010 on WSindows8 PC, the error did not occur. Any ideas on what I can do the Access database to clear this problem? |
| | I have writen a few DB programms in ADO.net now, and I hate it. It is riddle with confusion and problems, and because of the ridiculous idea of using all the data locally, it makes networking neigh on impossible and incredibly slow, so please please someone show me how to … |
| | Hi, I'm working in VB.Net. I have a textbox in which the user enters a number of strings seperated by comma. I store this value in a string array like this [CODE] Dim Src() As String Src = txtVals.Text.Split(",".ToCharArray)[/CODE] I want to search a dynamic string in this array. How … |
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