20,284 Topics
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| | Hi everyone I have a question to everyone. dim a as string ="preview=" dim b as string = "&" textbox1.text = a + "Random Code" + b result must be: preview=93a92& Random Code: I Need something that does not skip the text/number. Random Code can be everything. Example: 93a92,b3at2, 1256abcde … |
| | help pls i need someone that can help me when i enter the date of birth using the [COLOR="Red"]datetimepicker[/COLOR] box it automatically compute the age and output in a textbox.text |
| | I am trying to catch the System.InvalidCastException error. If I put a number into the calculator the program runs ok. If the calculate button is pressed with nothing in the text boxes I get the casting error Conversion from string "" to type 'Decimal' is not valid. I understand why … |
 | Hello Experts, How can i save the optionbutton and checkbox value in sql database? please send the query: dim cmd as new sqlcommand("insert into [tablename] values(........)",c.con) please help me :)  |
 | When i pass the parameter and run the report it works fine as i close the form it closes the form is there any way so that i should be able to close the crystal report viewer and pass the parameter again and should be able to view report again. … |
| | I have a csv file in drive C: when I am going to display in datagridview but the 1st line is not display in gatagridview, My csv file content data is as follows "^NSEI",5040.00,"9/2/2011","6:00am",+39.00,0.00,0.00,0.00,0 "RCOM.NS",84.70,"9/2/2011","6:29am",+5.15,81.90,85.65,79.70,13378691 "RELIANCE.NS",805.45,"9/2/2011","6:29am",+22.85,796.70,813.70,789.45,7791545 "DLF.NS",207.85,"9/2/2011","6:28am",+11.10,194.25,209.90,191.05,10297314 "UNITECH.NS",26.85,"9/2/2011","6:30am",-0.75,27.80,28.45,26.70,44035656 "HANUNG.NS",101.10,"9/2/2011","6:29am",-0.50,102.35,104.80,100.60,326326 "LITL.NS",16.75,"9/2/2011","6:29am",-0.30,17.00,17.50,16.35,9415675 "INDIABULL.NS",149.95,"9/2/2011","6:28am",-4.00,155.00,157.00,148.50,677258 My code is below: [CODE]Dim csvFileFolder As String = … |
 | As the title says- I'm not sure which appdata folder to use- Should I use CommonApplicationData, The directory that serves as a common repository for application-specific data that is used by all users. Or LocalApplicationData, The directory that serves as a common repository for application-specific data that is used by … |
| | I am using the list view and data grid to display my records!!what are the codes to be used for printing these data records......??please help me..thanks  |
| | Hello i have created a form that has a combobox.the combobox displays the products.how can i add a selected product into a listview????? |
| | I have found this code for using control array in VB.net, but this only works when I place text boxes on form, whereas in my case within tab control i have created group boxes and within group boxes there are a number of text boxes which i have used for …  |
| | Help me guys. Iam new in making a setup. [ProgramFilesFolder][Manufacturer]\[ProductName][Version] is the Default. i Want to change the programfilesfolder to documents folder. I already try this: [DocumentsFolder][Manufacturer]\[ProductName] but it doesnt work. error in installing the product. ERRROR: "Could not access network location \Polongo company\MC" Please help me guys. _________________________________________________________________________________________________________________________________________________________ Iam … |
| | I am very new to VB and I am using VB studio 2010 now. What I want to do is to receive data from another port and save it in my directory. However the port can receive my buffer from another port but could not save the file. The codes … |
| | guys can you please help me in displaying columns from my ms access table to a listview in vb.net.. i use oledb in connecting to ms access.. |
| | I have the following code. My program loads 20 pictures in one panel and each pictures has for the moment like 500 Kb, but in the future they shall have like 2~6 Mb. When I use this part of code, my program that uses only 6 Mb of memory, but … |
 | hi guys, am pretty new to socket programming in vb.net . i am used to the winsock control in vb6 but it seems that vb.net has a difft approach as i could not find the control. Could someone please explain to me about sockets |
| | anyone know how what is UInt in C++ mean to VB. I mean how to write in VB.net |
| | Hello i have a big problem with msflexgrid i can't save it into ms.acess can somebody help me? |
| | Hi, My application is in VS2008 coded in Vb.net. I have a datagridView which is getting populated from the Database.I has RegNo,RollNo,Name etc fields.The data in the Name column of database is coming from 3 columns of a certain table from database. This is how im concatinating it and displaying … |
| | Hello Highlly Tinker Guys, I want XPath of Each Node in XMlFile in Vb.net Below Is my Code on button click event [CODE] Dim szXMLDoc As XmlDocument=New XmlDocument() szXMLDoc.Load(Server.MapPath("ChurchFolders.xml")) '------Code to find xpath for each node----------- [/CODE] The ChurchFolers.xml file is As below [code=xml] <xml version="1.0"> <folder id="parent" path="~/MyChurch"> <folder … |
| | Greetings, i'm currently developing a web browser for my school project (i'm kinda new to advance visual basic)... it's 75% complete and the only problem i encountered is that when i enter items for the combo box it accepts duplicate .. for example i entered [url]www.daniweb.com[/url] and re-entered it again, … |
| | I have found this code in this forum: [CODE]Dim objForm As Form Dim sValue As String Dim FullTypeName As String Dim FormInstanceType As Type ' Form class name sValue = "Form2" ' Assume that form classes' namespace is the same as ProductName FullTypeName = Application.ProductName & "." & sValue ' …  |
| | Hello, Last year my team wrote a VB .Net project that used the webbrowser control to automatically fill out user forms, click images, action buttons etc. for a web application used in our company. This year, the web application was upgraded to version 3.0. We got the application in our … |
| | Please help me update a gridview using a pop up. It couldn't get the primary key of the selected row. these are my codes: Protected Sub btnSaveRemarks_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnSaveRemarks.Click strSQL = "UPDATE CandidateScreening SET Remarks = @Remarks, Status = @Status WHERE ID ='" … |
| | Hi there! I have read through quite a few tutorials and videos and I am building my application quite good now, I have a webbrowser control that has a bunch of links from my website (MP3 files) now, how would I open a link and play it in my inbuilt … |
| | Hi I have used the following code to populate a DataGrid based on the contents of a textbox. the users searches for a name which is populated into a combobox based on the name in the combobox several textboxes are populated with data based on the data in one of … |
| | Hi how would I go about creating a payment schedule based on a date and a number of months 3 or 6 or 12 to then populate the database with reoccurring dates so lets say new user added on 31/10/2011 for 6 months I need the database to add all … |
| | can any one help me about this error [CODE]Private Sub BtnSave_Click_1(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BtnSave.Click If Objconnection.State = ConnectionState.Closed Then Try Catch ex As Exception End Try Objconnection.Open()---->>> The ConnectionString property has not been initialized. End If Objcmmand = New SqlCommand(" Insert into cases_of_accidents ( … |
| | Please help me for the buffer codes!!I am using now the adodb con..thanks  |
| | Using Visual Studio 2008, I have a form with a datagridview. I want to use a button called BTNDelete and I need help on deleting the selected row from the datagrid then update the datatable. |
| | how to add records in the list view?? And the codes to print using this list view..thanks |
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