19,728 Topics
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| | helo i am developing an vb.net access application.i am frustrated with this access that i am getting error while updating records. Data Type Mismatch In criteria expression here is the code , if i run the sql statement its works fine .but thru vb.net its giving error.i am not understadning … |
| | is there a way to have a web site with asp controls that will place information in to a database that can then be placed into a VB.net program? like i am doing a appointmentprojects. and i was wondering if i could make a program that will get the data … |
 | I have Visual basic 8.0 and use Statusstrip . whenever I change the [COLOR="Red"]height to 50 [/COLOR]will change automatically changed back to default. What am I doing wrong I go to properties of Statustrip1 Size Width = 616 Height = 22 I change to Size Width = 616 [COLOR="Red"]Height = … |
| | Hi friends, I want to ceil the decimal values of my double number. [CODE] For Example, 3.08 --> 3.1 4.18 --> 4.2 5.45 --> 5.5 [/CODE] but whe3n i use Math.Ceiling(3.08) it returns 4.0 whereas I want the answer as 3.1 I know we can do it using simple logic … |
| | Why am I getting this error during design time? [B]Error Number 5: Key cannot be null [/B] [CODE=vb] If Me.Visible = True Then If RetrieveSubjectsAndSection(Username, Subject) = True Then InsertSubjectsAndSection(Username,Subject) End If End If [/CODE] [B]RetrieveSubjectsAndSection[/B] function checks if record exist. The code is written inside a Usercontrol. Also I … |
| | I am coding like usual, haven't click anything I don't know. Then suddenly I got an error [B]"Could not find type 'LFRv2.AdminTabEdit'. Please make sure that the assembly that contains this type is referenced. If this type is a part of your development project, make sure that the project has … |
| | I'm now developing Multimedia program . I use winmm.dll assembly. I can do Play, Pause,Stop, Repeat function , but I'd like to create Playlist . How can I do it?. Please help me , thanks |
| | As u all know,at runtime we can move the form. I use the foll. code,so dat form doesn't move.I want to ask dat is there any easy way to do it. Mine code below working correctly,but lengthy- [code] Option Compare Text Option Strict On Option Explicit On Public Class Form1 … |
| | How come when I load my project on Visual Studio 2008, it shows a MySQL error:[B] Unable to connect to any specified MySQL hosts.[/B]? then another error: [B]Access denied for user[/B] I am not yet running the application. |
| | hi.. 1 have 2 wav files mono duration 30 second. how to combine that 2 files with stereo so that 2 files can run together in 1 wav file? not joint.mean 2 files joint become 60second. i want combine so that duration still 30 second because that wav run together. … |
 | I want to create a unique ID for a record being entered into a sql server database, in a web application. My logic is to count the number of records in the table, add a one to that number, then add a prefix to the new number. Check that the … |
| | Hello, I have 3 Combos on a toolbar which i need to bind to sql database (using linq). On my form i have several data text fields. What i need to do is this: Combo1 = bind it to a specific linq query that i make that can bring my …  |
| | Hi, I'm trying to use datareader to retrieve a column and place the value in a textbox. When I try to assign the value to the text field, I get an error message "An unhandled exception of type 'System.NullReferenceException' occurred Additional information: Object reference not set to an instance of … |
| | So...I'm working on VB.NET application and I'm wondering if I could make rounded corners of panel? One of my ideas is to make image (with Photoshop) in a size of panel and put it into background of panel...the thing is, this works but application is running very slowly and "weird" … |
| | Hi. I am using visual studio 8, using vb.net. I am trying without success to make a post request to a web form as shown below. [code] <?xml version="1.0" encoding="UTF-8"?><postBetOrder xmlns="urn:betfair:games:api:v1"marketId="2568540" round="1" currency="GBP"><betPlace><bidType>BACK</bidType><price>2.5</price><size>2.50</size><selectionId>658440</selectionId></betPlace> [/code] I encode the information using 'HttpUtility.UrlEncode' and I use 'myWebRequest.ContentLength = bytedata.Length' to get the length … |
| | Hi guys, i am facing a problem at Vb.net. There is i have a html editor created by myself. i also add a dlghelper but when i run at localhost, and click a button to show color dialog, java script runtime error occured and wrote "Microsoft JScript runtime error: 'dlgHelper' … |
| | working on a project that calculates an amount due for an order. My problem i am facing is in regard to my clear button. The clear button will clear the fields for the current order and let you place another order that will allow the summary button to add up … |
| | Hi what im trying to do in my program (Its a pokemon platinum version team organizer) im making it for a friend and for anyone else who wants it but what im trying to do is i have 2 checked list boxes wth a limit on how many selections they … |
| | I have a Crystal Report which has a background made up to match a work form that needs to be filled out with data queried & processed from the database. The finished report has only five single field values and up to six detail records (three fields in each detail … |
| | 1)Frnds tell me that is there any Lock statement in SQL?-Yes or No. 2)In my interview i was asked,What is deadlock??? But i dont know?Can u tell me out? 3)Then they ask me about the Lock.I answer Lock ensures that when one thraed is in critical section ,no other thraed … |
| | Hi! I want to write code for searching files on local hard disk using index searching technique.I looked for it on internet, someone suggested that I should use B+ index searching technique.But I don't know how it can be implemented using B+ index searching technique.Can anybody tell me how it …  |
| | hi I am in deep trouble to loose my job please help me I am working on a website where a user comes and login when it enters a pop up screen appears where it is written continue or remind me later now i am unable to handle this functionality … |
| | Hi Experts, At the office, we are trying to decide if we want to go with Crystal Reports or ComponentOne. If anybody has used both could you list some advantages and disadvantages? Thanks! |
| | Pls, I need help on using shell function to call up the system Date and time setting in my application. Thank u. |
| | I am new to this forum and very new to vb.net. The previous programmer wrote a program in vb.net that helps us with our merchandise received transactions. It is now getting the following error: "System.Data.SQLClient.SQLException Timeout Expired. The timeout period elapsed prior to completion of the operation or the server … |
| | I want to change the value & its backcolor of cell. On Button1_Click,I m adding records to the Gridview. On Button3_Click,I want to chnage the value of cell & its backcolor. Suppose two Rows & two columns are there in Grdiview 1 10 2 20 Suppose I want to change … |
| | I was asked Suppose there is table A in DB,Suppose when we update that table,whose are two tables(Magic tables) that are updated other than table A? |
| | Hi all, Got a real pain of a problem. Im using vb.net to write a dll for third party software (PreS) that has no COM interface but allows functionality to call DLL's. But it requires an entry point of UserInstruction. I have been doing some research and have found seen … |
| | [COLOR="Green"]I am trying to send email from VB.Net using code posted below in VB 2008 Express, but get one error "Syntax error" and it points to [COLOR="Red"][B]Imports System.Net.Mail[/B][/COLOR]. I also would like to include required by server authentication as well as to make confirmation message box disapear itself after two … |
| | I create a program that need to received some picture using socket programming, and coding for receiving picture is in background worker. PROBLEM : I need to make progress bar to show how much data I have received. my code still error... Help please... here's my code for received data … |
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