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 … |
| | Can some one give me a sample code or project on how to load a data of a particular table in access databse in to a data grid view |
| | hi, i am retrieving the names from database by using combobox by a character by character search method as they do in search engines like google when u want to search anything in it by entering 2 to 4 characters u can get full related topics of same characters .. … |
 | I am using an INSERT INTO statement and one of my database variables is a varchar(51). Can a string be directly stored as a varchar or do I need to convert this to something else beforehand? |
| | Hi, I want to extract certain words from a sentence input by the user. For e.g., the user enters "Jones born in 1967" and the program will extract the words 'Jones, born and 1967' but will not extract the word 'in' and will print the extracted words out. Is there … |
 | i have many textboxes in my form, now i want to validate the data inside it. how can i achieve this other than the try catch? i want the validation to be usable in all my forms so i'll write it as a sub/function. any suggestions? |
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| | I have a report named crystalreport1 added to my web application in visual studio 2005 when i try to create the instance of the report like dim rpt as new crystalreport1() it shows an error crystalreport1() not defined What is the problem and what namespaces need to be included. |
| | Hello, i just decided to join, i am a high school senior and am in the club BPA (Business Proffesionals of America). I have not practiced vb in a while but scored at state events and i am going to nationals. Nationals this year is held at Anahiem, CA so … |
| | hi guys i need some idea on how to do a login form which check the information in database and if the imformation is true then login to system i got textbox1 and textbox2 my database name is mpp eelection1 and table name is maklumatpel textbox1 need to be check … |
| | Hi guys, as per title above, im at my wits end after a week of thoughts.... i want to download a file from a SSL web to my local(C:\) e.g [url]https://www.abc.com/File/myfile.txt[/url] Scenario: from the web browser(Internet Explorer), i required to login to the site in order to download the file. … |
| | [QUOTE]Hi all I have two forms which are being displayed from the MDI Parent form. In the following code I would like to send data from form 1 to form 2. [/QUOTE] [CODE] DsgnForm.InsertOE = txtOrderEntry.Text DsgnForm.InsertFN = txtFirstName.Text DsgnForm.InsertLN = txtLastName.Text DsgnForm.InsertAD = TxtAddress.Text [/CODE] [QUOTE] My problem is … |
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| | I want to append string in front. [CODE] 'For example Dim value As String = "a" 'I want to append the 'value' string so that it prints the below: ' gfedcba [/CODE] I found the below thread which tells the solution for my problem: [url]http://www.daniweb.com/forums/thread139781.html[/url] But I was wondering if …  |
| | My problem is I want to be able to read through this xml document and populate a winform before validating it and then storing it into a table. This is a snippet of the xml document, it's way too big to put it all here. [code=xml] - <Applicant> + <common:PersonName> … |
| | I didn't know where to put this, this was the closest to VB 2008. I have a code, that when you click a button it takes you to a login webpage, puts in the information that you typed. Then presses submit. kind of like a quick login. But for some … |
| | i'm new in using VB, so i'm not quite familiar with it.. if any of you use cpp, i'm sure that you know STL in cpp, like vector and stack.. does VB has that kind of STL too? i really need good data structure using VB now, and it will … |
| | Hi, I have made a working program that collects data from a server then puts it into an array. I decided its time to move away from text files and on to XML. [CODE] Dim sr As StreamReader = File.OpenText(frm_Loader.jokes_dic) Dim input As String input = sr.ReadLine() frm_Loader.counter = 0 … |
| | Hello. I've programmed in VB for ages, but just started dealing with databases and VB.net. The problem I am having is related to a menustrip item. I used the data source wizard to add a database to my application, and did the drag-and-drop thing to put the details on my … |
| | hi I'm really new to c# but i really don't know how to do this! well I have a table customer with a customer_no as a primary key. I have a second table named order and it customer_no is one of its primary key. What I want to do is … |
| | First I am sorry if I am creating a thread in the wrong category as I am not sure which is the best suitable place for this question: Please provide me suggestions or any pointers. I want to create a user defined data structure, which will be a 2 dimensional … |
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