20,899 Topics
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| | how to use .net matrik library to solve linear equation ? |
| | Hello, I am working on a web form project in Visual Studio 2012 and MS SQL Server 2008 R2 using Visual Basic. I would like to place an Excel file template in my project folder which would then be modified using the ASP.NET controls on the page and prompt the … |
| | I'm having a heck of a time loading an image from the path where the program is being run. Dim image As New BitmapImage Dim imagePath As String = "keepass.png" image.BeginInit() image.UriSource = New Uri(imagePath, UriKind.Relative) image.EndInit() ProductImage.Source = image I can't seem to use a relative path to my … |
| | Would be possible to implement a VB.NET program in a PHP Website? I would want to have a rich text editor for editing files which will be stored in the database and would be displayed on the website. Being able to edit them without leaving the website. I believe would … |
| | How do you read data from a file and fill an array?  |
| | Hi All, Please help me with this task - this is the only thing stopping me from completing the project. Protected Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click ' Here we go. All the data in the form to an Excel sheet. Cross your fingers... Dim oExcel As …  |
| | does any one experience this while using mdi the code is something like this using a as new form a.mdiparent = this a.showdialog() end using then when i tried to show the new form it will close automatically. why is that happening? thank you  |
 | Hello All, My friend just made one dynamic website in Asp.net but after the complete development he want to change complete website in HTML. So please suggest me any tools in a market that can replace to complete dynamic website into HTML. Please suggest me how we can do that? …  |
 | I have a datatable with nth column. Now, I want to change the index of some columns. Need help |
| | I developed a software using VB.net. (With VS 2008 Professional edition) The Project has Crystal reports in a folder. I want to make a setup exe with that folder. there are few videos in youtube for this. But I couldnt find any form or video that adding folder to the …  |
 | hello folks. i have saved the values of unique_ID.text textbox1.text textbox2.text textbox3.text textbox4.text textbox5.text textbox6.text in columns column_ID and column_1 to column_6 in a table table_1 in database db_1. Now I want to update some values. but for that i want to show the values of column_1 to column_6 in …  |
| | Guys, I want my textbox are ALL CAPITAL letters even I encode a small letter and it will become Capital .. thanks guys! |
 | Hi All, Cannot for the life of me figure out what is wrong with application, when I run on laptop cannot get error to replicate however on tablet which application is designed to run on cannot figure it out. I have a windows form which is opened as an mdi …  |
 | ys! I'm developing a software for a furniture company for keeping furniture cost to date.I'm Saving cost with the quantity and unit price for each material and keep them up to date by updating the material's unit price.For example: A chair need 3 Gallons of Thinner at $5,but today the …  |
| | Thanks to diafol for putting me wise to the imdb api. Unfortunately, due to my ignorance of all things related to web programming I am stuck. I fetch my information via the following Dim url As String = "http://mymovieapi.com/?title=@title&type=xml&plot=full&episode=0&limit=1&year=@year&yg=1&mt=M&lang=en-US&offset=&aka=simple&release=simple&business=0&tech=0" url = Replace(url, "@title", "Star+Trek") url = Replace(url, "@year", "1979") WebBrowser1.Navigate(url) … |
| | Hi all I've been editing some code I found on here from a while back and am up to trying to print out the data I store in an array. I've been trying for a bit and just don't understand it very well. Could someone give me a hand :) … |
| | i am working on a room locator program, the feature includes the room location and the path that the searchee can take to locate the room. is there a way to move a control in a vb application just like what we see in flash applications? thanks for the ideas … |
 | Group, I've found code that will format a number found in a TextBox to display it with two decimal places. It looks like this: Private Sub txbStateTaxPcnt_Leave(sender As System.Object, e As System.EventArgs) Handles txbStateTaxPcnt.Leave stateSlsTax = Convert.ToInt32(txbStateTaxPcnt.Text) txbStateTaxPcnt.Text = stateSlsTax.ToString("n2") End Sub This works great when a whole number is … |
 | Hey guys , well i have the Tic Tac Toe project , i wrote some codes, but i don't know why isn't working . Hopefully you can help me my project contain 9 labels , 2 texboxs ( first player , second player ) , button ( new game ), … |
| | Hello guys, I have a problem with data type.I want to store a field with a currency format in access with vb.net.i did it by using the format built-in function in vb.net but it only stores the field in access if it's only in text data-type.If the field is in … |
| | Ok so I'm a total noob with VB.NET and I so far I've read about a thousand forums and I've yet to get a straight answer. I've read that VB treats anonymous types differently than C# (the why, beats me). I have a DataTable, and I want to return a … |
| | Good Day, I would like to ask some Information. Is is possible to Conenct my Login to Active Directory? Im gonna use the AD Credential as a Login for my Application? Your Response is Highly Appreciated. Eos |
| | I need your help on this, I have a datagridview with 3 columns, text, image,image. the 2 image columns both contain embedded icons. any example on how to write/read this datagridview to an xml or mdb ? appreciated. |
| | Good day folks, I want to delete some records in my datatable using query. But I don't know how to do it. Can someone help me? Thanks For i As Integer = 0 To objChkArray.Count - 1 Dim rows As DataRow() = dtable.[Delete]("ct = '" & CInt(objChkArray(i)) & "'") For … |
| | Group, Historically I've used 'Convert.ToInt32(TextBox1.Text)' when moving the numbers stored in a TextBox to an integer variable. But it's made me wonder what the difference is between Int16, Int32 and Int64. In simple terms, can someone explain this to me (remember, I'm simple minded!)? As a follow-up question, I'm finding … |
| | Group, I'm not sure if this is a SQL Server issue or a Visual Basic issue. However during the runtime, I'm getting the following error message: String or binary data would be truncated. The statement has been terminated. I'm not sure why or where this is being caught. Searching this … |
| | Hi, Not sure if I should post it here or in DB section. I am extending an application. This application generates a PDF file and stores it in a SQL Server Database table in a column of image datatype. My requirement is to read the data from this column and …  |
 | Is there any way to make the size of the tab control expand in both hight and width when the entire window is resized? For example, if I initially set the top of the tab control to be about 1 inch below the top of the window and fill the … |
 | hello every one again well this time i am total confuse for this i have a table tblpay which is having 5 colums payID payTransID payyear paymonth totalpay now i want to show the record based on two columns i.e.: payyear = 2012 and payyear = march,april,may,june,july,august,sepetember,october,november,december and also wher … |
| | hello all, kindly help me for this i have one form with datagridview in vb.net and 5 textbox for filing GDV i am using code: Dim a As String = txttable.Text DataAdapter1 = New OleDbDataAdapter("Select * From " & txttable.Text & " where [pay_year] = '" & cmbSyear.Text & "' … |
| | Does anyone have any idea how to set the DateTimePicker's UpDown buttons to add/minus 30mins only instead of 1min? |
| | I'm having a nightmare here! I'm calling 2 different forms, one like a loading screen and the other is the working form. The trick here is placing the 'SplashScreen1.Close()' at the end of Form2 and it will automatically close the loading screen when Fom2 finish. But I could never get … |
| | Hopefully this explains it better. I need to get the information from the "Value" attribute. This is how the XML structure looks like. <Item class="StringValue" referent="RBX4"> <roblox xmlns:xmime="http://www.w3.org/2005/05/xmlmime" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://www.roblox.com/roblox.xsd" version="4"> <External>null</External> <External>nil</External> <Item class="StringValue" referent="RBX0"> <Properties> <string name="Name">.obj(Part001)</string> <string name="Value">...</string> I need to get the information between "Value"> and … |
| | Hello everyone, Maybe someone out there can help me. I have this code that I am using and for the life of me it keeps throwing an error: If Len(ComboBox1.Text) < 1 Then MsgBox("You need to specify a target for this to operate properly.", vbExclamation, "Error") Exit Sub End If … |
| | i want to access (Add, Delete, Update) data through lan (local area network)using vb.net looking for the connection string to access the same. Saurav  |
 | to open a MDIChild from my main MDIparent form I would use Dim ChildForm As New FrmComponent ChildForm.MdiParent = Me m_ChildFormNumber += 1 ChildForm.Text = "Add & Edit Components" ChildForm.Show() But I want to open another from from FrmComponent which used the same MDIParent. at the moment I am using … |
| | so im trying to get a gridview to work! im doing it mannualy `Inline Code Example Here` abre_ligacao() Dim sqlqtz As String = "SELECT * FROM cobranca ORDER BY cobranca" 'MsgBox(sqlatendimento) Dim dsqtz As DataSet = GetData(sqlqtz) If (dsqtz.Tables.Count > 0) Then GridView1.DataSource = dsqtz GridView1.DataBind() Else MsgBox("Não há dados …  |
 | I'd be glad if someone could help with how to write a code for autocomplete TextBox in asp.vb.net. I'm able to do that in VB.Net Windows application, but unable to do same in the Web Application. The following is what I've tried under Page_load: Try cmd = New SqlCommand("Select SubjectName … |
 | Dear fellows , its a nightmare for me to set the resolutions of vb.net forms autmoaticly adjustable. I would like to know what are the suggested size of the form and what are the parameters to set to make the form screen resolution adjustable. One thing to inform you that … |
| | sql 2008 to vs 2010 add edit dele update save report serch filter codes help namn po..kelngan ko po sa project ko..tagal q na naghahanap sa net putol puyol nahahnap q..hard code mas ok..thanks |
| | The problem is i want to show a default value on form load in comobo box txt5, user dont need to click on it. am using goto focus and lost focus to grab data from data base . I need your suggestion that how to populate a combo txt5 on … |
 | need help to calculate for the duration between two dates, im using two datetimepicker and, i want to it to calculate the year month and date, can anyone help me? |
 | Saw this thread today: http://www.daniweb.com/software-development/csharp/threads/448676/derivative-integrals You may download the (free) source code from here http://xrjunque.nom.es/precis/swdownload.aspx Need to say it's all vb.net, but you can easily have a .dll (all the 'machinery' is inside a folder: just complile as a .Net's .dll). Then, to derivate say 'cos(x)': dim strToDerivate as string … |
 | Ho Gents Is there any one who could help me on getting this sorted out? I want to save a unique indetification record considering this criteria: FULLDATE/PROCESS#. I.E: 03[COLOR="Red"]05[/COLOR]2012/1 03[COLOR="red"]05[/COLOR]2012/2 03[COLOR="red"]05[/COLOR]2012/3 ... 03[COLOR="Green"]06[/COLOR]2012/1 03[COLOR="green"]06[/COLOR]2012/1 For each date, I want it to start from one allover again. I have currently have … |
| | I have the code below in VS 2012. It dynamically allocates a DataGridView and an Update button, then it binds the grid to MS Access database table. That all works well. When I click the Update button btnUpdate_Click() is called, which calls the DataAdapter's Update() method. That produces the syntax … |
| | Good Day, I would like to ask some Help regarding on my Textfield that will not be allowed SPACES WITH NO CHARACTER, SPACES CHARACTER only be allowed is Characted Spaces Characted. Your Response is Highly Appreciated. Thank You. |
 | Hi DW There is a project that I'm currently doing and now I just thought of saving some data online so now my question is that how can I write code to fisrt of all create a file with a name of a user then inside the file write and …  |
 | how can I store this in a variable named ptotal? ptotal = Double.Parse(Me.txtt1.Text) + Double.Parse(Me.txtt2.Text) + Double.Parse(Me.txtt3.Text) + _ Double.Parse(Me.txtt4.Text) + Double.Parse(Me.txtt5.Text) + Double.Parse(Me.txtt6.Text) + _ Double.Parse(Me.txtt7.Text) + Double.Parse(Me.txtt8.Text) + Double.Parse(Me.txtt9.Text) + _ Double.Parse(Me.txtt10.Text) + Double.Parse(Me.txtt11.Text) + Double.Parse(Me.txtt12.Text) + _ Double.Parse(Me.txtt13.Text) + Double.Parse(Me.txtt14.Text) + Double.Parse(Me.txtt15.Text) + _ Double.Parse(Me.txtt16.Text) + Double.Parse(Me.txtt17.Text) … |
| | Hi Guys... looking for a quick answer on excel Formula.. Anyone know why my text "Please Chase" is not showing up? =IF(ISNUMBER(F2),$F2>TODAY(),"Please Chase")  |
| | I want to copy a folder structure from one directory to another and keep the folder permissions within the structure. Is there code to use robocopy for this? |
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