20,284 Topics
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| | Hi all! I have cascading comboboxes and when I choose the value for the first one everything is fine. But when I try to choose the value for the second combo the value of the first disappears. However, the second combobox is populated with the appropriate values and then I … |
| | I've developed a software using VB.Net and SQL compact edition database. (.sdf file) Now i want to add my .sdf file to setup file. I've search internet and create setup file. when i install the software, it is created new folders in program files including my database file and exe … |
| | Hi guys, I have a total of 72 link labels on a form and I want them to do a similar task. Is there a way to accomplishing this without writing each labels individual code? Example function of the link label [CODE] Private Sub LinkLabel1_LinkClicked(ByVal sender As System.Object, ByVal e … |
| | Hi, DaniWeb I'm having problems with the insert: (This is the login code, i can't open the register form) [CODE] Imports MySql.Data.MySqlClient Public Class Login Dim server As String = "Server=localhost;Database=escola_musica;Uid=root;Pwd=;" 'Dim server As String = "Server=localhost;Database=esola_musica;Uid=root;Pwd=;" Dim con As New MySqlConnection Dim da As New MySqlDataAdapter Dim sql As … |
| | For example on any tinyurl/ajdeijad link (this one is fake), the link redirects to another url I cant grab the whole response because it is 200 MB- what can I do to JUST GET THE URL Here is my code: [code] Dim request1 As HttpWebRequest = DirectCast(HttpWebRequest.Create(urlvimeohd), HttpWebRequest) request1.UserAgent = …  |
| | Hi guys, Could some one please help me in validating a datagrid coloumn..,i want only alphanumeric values.,symbols like -,+..etc were not allowed..folliwing is the code wht i have.,but it allows only alphabets but not numerals.. [CODE] If Char.IsDigit(e.KeyChar) Or Asc(e.KeyChar) = 8 Or Asc(e.KeyChar) = 46 Then If Asc(e.KeyChar) = … |
| | Hi Friends, I need ur help..I have finished my proejct in vb.net with access database. could u please help me in making an exe for this with database.. please help.. |
| | Hello, I have formatted an invoice and saved it in a text file. In my text file i used TAB after every field, but when I am trying to print that text file using streamreader all tabs are disappeared. Can you please tell me how to retain the TABs while … |
| | i am a beginner, how to authenticate username and password to the database i hope i'll be responded soon  |
| | just guide me to create a VB.net form that should accept a perfect username and password with the help of the example code |
| | I have a an inherited form that has a panel control on it. I want to paste other controls onto this panel but the paste option is grayed out and won't let me do it. I made sure that the template form did not lock the panel. I'm stymied from … |
| | I'm quite new to .net so would appreciate your help. My project is nearing completion and I would like to save my work prior to making changes each day, should something go wrong. Eventually I would like to end up with a series of archived projects so that I could … |
| | Hi everyone, Well, First of all m glad to join a community of all master minds. My question is : I have a datagridview and each time i enter values in database the values are not reflected in the datagrid untill i load the form again. I want a method … |
| | Hi All, I want to search specific range of rows in datagridview. I want to search the entire third row of my datagridview. How can I do that? Here's my current code: [CODE]Private Sub cmdSearch_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmdSearch.Click For Each row As DataGridViewRow In … |
| | how to link the form so that it should display as soon as the computer gets started and the user should not access any other thing first he has to attempt the form then after successfully he can acess rest of the other option the form will be containing user …  |
| | Hi, How to validate the contents of a datagrid per row, per column in vb.net? i have a specific coloumn PlotNo in which values shld nt get repeated..it is an unbound table.. please help me with an example code..  |
| | Hi Guys, How do i calculate the sum of all rows in a coloumn..? im using vb.net and access as back end.. could u please gimme an example code? |
| | Hello all, I'm developing a project and I faced a probelm of how to insert a new row to specific index choose from user Can anyone help to do that in VB.net Please? Thanks a lot  |
| | how to link a button in vb.net to a exe file just suggest with the help of the code |
| | Hello there I m using Vs 2010 Crystal Reporting ma Reports Working Well When using Normally bt nw When I Use sub reports then reports are showing bt blankso that the main report showing all the data bt sub report w showing ny of them .... acctually i m using … |
 | How can we apply wipe in and wipe out animation on VB.NET form. |
| | Hi everyone, well I have trying to do an elevator simulator, wich have to includo the panel with the floor, available floors, and a button panel with available floors and button up, down, but I dont understand is how to use the timers for up and down, because I vague … |
| | I am unable to run batch file that is located in mapped network drive using System.Diagnostics.Process in VB.Net. I get: [CODE]'<batchfilename>.bat' is not recognized as an internal or external command, operable program or batch file. Press any key to continue... [/CODE] I get the same error when navigate to the … |
 | Hello everyone, when integrating a project the Database wouldn't open ( or be imported) without giving this Error Message "...cannot be opened because it is version 661. This server supports version 655 and earlier. A downgrade path is not supported." the problem is one of my team mates informs me … |
| | hi sir i m kunal raj want to share my problem pls help me my application is like this : i have to search my data from database with some check box and text box when user select check box specific function go on and then when user enters some … |
| | Hello! how to view report particular Customer Name.............in this code when i m type from date or To date report is showing all customer information but i need single customer info with name or Date this is my code........ plz help me sorry my english is not good [CODE]Imports System.Data … |
 | So I created a subroutine to do some work but now i have no idea how to pass the results on to another stage in the process. [CODE] Private Sub CheckDates() Handles MyBase.Load Dim Duedate As Date = INFDateLabel1.Text Dim Duedate2 As Date = INFDateLabel2.Text Dim Duedate3 As Date = … |
| | Hi, I needed to create in-cell dropdownlist in excel using VB.NET, So i used the code, With xlWorksheet.Range("H2", "H101").Validation .Add(Type:=Microsoft.Office.Interop.Excel.XlDVType.xlValidateList, AlertStyle:=Microsoft.Office.Interop.Excel.XlDVAlertStyle.xlValidAlertStop, Operator:=Microsoft.Office.Interop.Excel.XlFormatConditionOperator.xlBetween, Formula1:="Maintenance Planning") End With It works fine with Excel 2003, but it does not works on Excel 2007. It shows below message, Excel was able to open the … |
| | Hi, I cant able to save an excel file from VB.NET. I used the code below: SaveFileDialog1.Title = "Save Excel File" SaveFileDialog1.Filter = "Excel files (*.xls)|*.xls|Excel Files (*.xlsx)|*.xslx" SaveFileDialog1.ShowDialog() If (SaveFileDialog1.FileName <> "") Then [COLOR="Red"]xlWorksheet.SaveAs(SaveFileDialog1.FileName)[/COLOR] End If Error occurred in the highlighted line as "Exception from HRESULT: 0x800401A8". I cannot … |
| | Hi there, Sorry to ask a silly/stupid question... I'm new to all this and i'm in the process of learning VB .NET using Visual Studio 2010... I just had a question because I cannot seem to find the answers anywhere on the internet... also we are not upto this part … |
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