20,285 Topics
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| | I have a datagridview thats bounded to a db and bindingNavigator that has Add/Delete/Save buttons. When I select a row and delete it, the row gets deleted from the datagridview, but when I restart the application, it doesn't get physically deleted from the database. Search suggests putting this code inside … |
| | I'm trying to a open a connection to a local database and no matter what I try it just won't work (I'm pretty new to SQL Server and VB for that matter) I tried using 'sqlconnection' with different connection strings but none of them worked or gave me any useful … |
| | hi, i am doing on online railway reservation projet in vb.net. I have taken train scheduling in which i have to specify routes of all the stations which are coming in between source and destination.routes are specified in rows and columns.But i do not understand how i specified routes in …  |
| | I don't have any experiance in this part so I really need someone's help to get start. I have setup for my application in VB.NET...what i need to do (want to do) is next... -create/restore a database that I use for that application (I have database in MSSQL). Maybe I … |
| | Sir, Please anybody help me while I am inserting the data through textbox of the selected item of the list box I want the when the user will input the data into textbox and then pressing the insert button the the selected item of list box (selected item only color … |
| | Sir, I am using 6 textboxes and three button one for insert data second for update and third for delete the data while inserting and updating the record it generate an error i.e. "Data type mismatch in criteria expression" in the backend i.e in MS Access I am using this … |
| | Hello, I am taking a VB.net class and am having trouble seeing the difference between event driven and object oriented programming. This will not help on any assignments, I have already turned it in, but I do not understand why VB6 is considered event driven and .NET is object oriented. … |
| | When you are using the tab to enter a textbox, How do you select all the text so when you begin typing it eliminates the old text?  |
| | I am having no trouble playing a swf file in VB but how can a play a second SWF file AFTER the first has finished? How do I know when the first file is done playing? Tried 'isplaying' method in a while loop but can't get it to work. Thanks … |
| | When I look at a statement, how can i tell whether it's an accumulator or a counter? |
 | Greeting, am currently using vb.net 2008, ive started a project and i need to import HTML line to a another HTML file that is being read in a web browser control, i've try something like : [code] Private Sub Line(ByVal Textmsg As String, ByVal type As String) WebBrowser1.Document.Body.InnerHtml = WebBrowser1.Document.Body.InnerHtml …  |
 | [CODE] RichTextBox1.SelectionStart = RichTextBox1.Find("Not Found") RichTextBox1.SelectionColor = Color.Red[/CODE] that is my code.. my problem is in my richtextbox1, there are many line that contain "Not Found". So how can i change colour for all of that text to red colour? my code only work only with a single line that … |
| | Hello I would like to read a file and display certain lines ( like from line 5 to 10) in a label. i know how to read the file line by line but not the specified line i want. Thanks in advance |
| | Please help me. I know this kind a simple problem. My problem is when i select the end day of the month it gives me a negative days in txtdays. This is my code to txtdays [CODE] txtDays.Text = dtpEnd.Value.Day - dtpStart.Value.Day [/CODE] This is my code to add date … |
| | i am trying to make a program that in the even that a message is received when the program does not have focus a message box will be displayed, however, using: [code]if me.focused = false then TrayIcon.BalloonTipTitle = "New Message From " & array(0) TrayIcon.BalloonTipText = array(1) TrayIcon.ShowBalloonTip(5000) end if[/code] … |
| | Hi, i would like to connect a webcam to vb6.0 or to vb.net and wolud like to take a photograph which is then to be stored in access / sql database. plz. help me Avinash Rooge |
| | Maby ive been going about this the wrong way. Im attempting to change the system volume using VB.net. I dont want to use the mediaplayer stuff because i dont want that to be open the whole time. if someone could point me to a working API or something for changing … |
| | Hi All, I've published a app using Clickonce Deployment for use on our LAN (so I've set it to online only for ease of updates etc) When I run the setup on my own machine, the app installs and runs with no issue however when I run the setup on … |
| | I have a problem with "left"syntax when i operate it in console application, it works but when i operate it in windows application, the left syntax is error... this is my code, can someone check my code please ' get and validate order no Dim strOrderNo As String = _ … |
| | Any one have idea about how to convert Visual C++ application to VB.net Or how to include VC++ application into the vb.net application so that function of VC++ application can use in to the VB.Net application. Thank you. |
| | Hi, I'm currently doing a program to search for text in powerpoint files using interop in vb.net 2005. When a user does a search, it will open the powerpoint (.ppt) file and do the search. This is working fine. What I want to achieve next is if the powerpoint file … |
| | i can't save my data into access using vb.net [code] Dim SQL As String DB.Open() Dim Ad As New OleDbDataAdapter("Select * From candidate", DB) Dim Check_dataset As DataSet Check_dataset = New DataSet("check") Ad.Fill(Check_dataset, "check") If Check_dataset.Tables("Check").Rows.Count <> 0 Then MsgBox("Certificate already exist.!!", MsgBoxStyle.Information, "") DB.Close() Exit Sub End If SQL … |
| | I am trying to make a TCP chat program, but instead of having people enter in the ip of the computer they wish to talk to everytime, i would like the program to be able to listen on all ip addresses, so that it will provide for a better user … |
| | Hi, I was wondering if any knows how to specify the patch for the database when making a vb.net program executable. The data base which is access is in the debug folder of the program. Any Ideas Thanks James |
| | Hi Experts i m using these code for selecting data grid row [CODE] While i <= DataGridView1.Rows.Count - 1 If Trim(DataGridView1.Rows(i).Cells(0).Value) = Trim(TextBox1.Text) Then DataGridView1.Rows(i).Selected = True Exit While End If i = i + 1 End While [/CODE] it's working nice. but , when no of row more then … |
| | Hi, I have a project developed in VB.NET 1.1 (using VS 2003). The project has forms developed using the DataForm wizard (Connecting to Access Database, having a dataset and couple of adapter as automatically generated through the wizard - See attached screenprint "Original Form In VS 2003.PNG"). I converted the … |
| | hi guys i have develope a database based system recently but its shows a error as in title do anyone can help me???? its realy urgent guys here is my code : [code] Imports System.Data Public Class Form2 Dim inc As Integer Dim maxrows As Integer Dim con As New … |
| | Hi Experts My problem is how to search any text in data grid view ? please help me soooon........ |
 | Hi, i am doing with deleting row permenately from database currently,but the problem i face right is that i can delete row from datagridview only, but the data inside database remains unchange.I want to delete a row which i selected permenately when i click a delete button . Here is … |
| | Below code is opening Folder Browser dialog on button click, I want that if mine PC is in network..In Folder Browser Dialog even the network drives are coming,I want that Network Places do not come in treeview.Is it possible?? [code] Option Strict On Option Explicit On Option Compare Text Public … |
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