20,285 Topics
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 | Hello all, I am here for help again. Any time i run my application, it gives me this error. "An attempt to attach an auto-named database for file C:\techno-wise consortium\techno-wise consortium\Database1.mdf failed. A database with the same name exists, or specified file cannot be opened, or it is located on … |
| | :-/ I am trying to validate the values of the gridview before it is being written to a sql database, on a asp.net page. When ever I code in validation for the grid I loose all the functionality of the update and Delete function on the gridview. i also have … |
| | hi can anyone know about dallas key and how to use these dallas key function in .net.....please it s very urgent ..if anyone know help me.......thanks in advance |
 | Hi- I have a doosie... I think. Maybe it's easy and I am just an idiot, I am not sure. Here's how it goes... On my web form, I have a GridView. I pull selected values from cells on the GridView. Sometimes I change a dropdownlist.selected value, which causes the … |
| | hi i have 7 textboxes and 2 drop down boxes i need to write a while loop statement to validate them. thanxs |
| | Please tell me .. how can i Initialise 2 dimentional integer array in visual basic 6.0 ..... if i am giving like this .. it returns error .. at ([B],[/B]) Dim intScores(,) As Integer = {{75, 90}, {9, 25}, {23, 56}, {6, 12}} |
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| | how can i make it so you can type a paragram in one textbox then press a button and it codes all the letters to another thing that you preset so it shows in another textbox? also how can i make a list of names randomize and have a certain … |
| | hi all, I want to know how we display image on button control instead of text? I want to show image on button Plz can anybody help me thanks in advance Regards Guest11 |
| | have a xml file as follows <par def="1"> - <field type="keyword" name="ListBox_1" > <keywords ui="listbox" readingorder="lefttoright" /> </field> - <field type="keyword" name="ListBox_2" > <keywords ui="listbox" readingorder="lefttoright" /> </field> </par> - <par> - <field type="keyword" name="Combox_1" > <keywords ui="combobox" /> </field> - <field type="keyword" name="Combox_2" > <keywords ui="combobox" /> </field> </par> … |
| | Hi, thx to jax_man that i converted my code to vb.net but the problem now is that the program don't seem to work. The button when i clicked on don't work. sorry i'm new to programming. |
| | hello , i want to add new record ino database ,but getting some problem pl help me front end :- VB.net2003 back end :- SQL Server 2000 my efforts : Imports System.Data.SqlClient Imports System.Data Dim conn As SqlConnection = _ New SqlConnection("server=;database=tempdb;uid=;pwd=") Dim ds As New DataSet Dim da As … |
| | Lets say we have frmOne and frmTwo. frmOne loads up and when in the main menu the user clicks something frmTwo opens. frmTwo has a bunch of check boxes, ok and cancel buttons. User checks/unchecks the check boxes and clicks ok. frmOne now needs to know what check boxes were … |
| | Hi, Any one please help me working with forms. I have created two forms frist one form1 then i have created a login in form. Now when i debug form1 is comming but i need the login form to come first the if i click on ok then the form1 … |
 | Hi freinds I want to send an email using [COLOR="Red"]VB.NET2005[/COLOR]. Can any one help me in it any :icon_redface: code?????? |
| | i just reacently had a thread, and it helped for the question i asked and i was looking through other thread and was wondering, where do you guys learn all of this about vb? i was taking a class(was because it ended yesterday) and it was a quarter class, im … |
| | Hi, I need help in coding a splash screen in VB.NET, it contains two traingles the first one varies the color green from 255 to 0, and the other varies the color blue 0 to 255, I tried different ideas but it didn't work, I'v been stuck with this for … |
| | I have been working on a program. When I have stumbled across a problem I post it here and get the problem solved. I appreciate all the help I have received. Now I am needing to find a decent reporting add on. Something decent but won't make me place another … |
| | hi i am facing problem with insertion of data into database front end:- vb.net2003 backend:- SQL Server2000 please tell me code with which i can insert data in database |
| | hi all, I m new in vb.net but i know vb very well. Can anybody tell me what is the main difference between vb and vb.net except the difference that vb.net is object oriented language i know this difference. But i want to know what is the main difference between …  |
| | Hi friends Plz help Me this is fist time that i sending the post if any mistake plz live it I send My form with manage attachment with the name of untitle my qurey was how to add column to datagrid which we select the item in dropdownlist([B]example[/B] in dropdown … |
| | Hi, Please have a look at my attachments... I wanted to know how this can be acheieved.... I want to bind some colums of my database table with various controls (ex. TextBoxes) and then some of the other colums to a LISTBOX or COMBOBOX..... I know that I can bind … |
| | i am working on online railway reservation project in vb.net. i want to know after entering reservation details by user in a table where user can made only 6 person's reservation e.g train_no,source,destination,name,class,berth,age, senior citizen then how to calculate ticket price when button is clicked.please send me this code urgently. |
 | hi all thanks for previous reply. I have another qurey.I serched lot for this ,but did't get proper solution. Actully in my application m using vb.net2003 and access.On one form I have used tabcontrol with 2 tabpages.On 1st tabpage there is list view.I wt i want is ,when i click … |
| | I have written a [COLOR="Red"]console application [/COLOR]in [COLOR="Red"]VB.NET2005[/COLOR] which will read a text file and its contents. But now I want to sort its data on the basis of its contents i.e the text file has following contents::: CMGL: 1,"REC READ","7=4;;1413818891>53:1",,"07/12/30,12:18:43+22" 0B05040B840B840003CB0201570601AE02056A0045C60C033230322E3133382E3130302E36302F73 6875726C3F643D3536000AC3072007122913381010C3072008010813381001033130206C616B6820 434153482C203435204E6F6B696120363330302070686F6E65732026206C6F616473206F66207461 6C6B74696D652120546F2077696E2C20616E7377 Here I want to sort … |
| | hi im having a dataset in which i have to filter a column with unique values  |
| | iam creating a web page the will display information on a product and i am working with vb 2008 and access 2007 i have a text box where the user inputs the data and a drop down box to specify what they are entering serialnum,type,capacity etc i have linked my … |
| | Im using: [CODE]OpenFileDialog1.Title = "Select your image" OpenFileDialog1.InitialDirectory = "C:" If OpenFileDialog1.ShowDialog = Windows.Forms.DialogResult.OK Then PictureBox1.Image = New System.Drawing.Bitmap(OpenFileDialog1.FileName) End If[/CODE] for browsing an image but i want to create a filetype so i have to use OpenFileDialog1.Filter but it wont work. I've used: [CODE]OpenFileDialog1.Filter = "Foto's (*.jpg,*.bmp,*.jpeg,*.png,*.wmf,*.gif)|*.jpg|*.bmp|*.jpeg|*.png|*.wmf|*.gif"[/CODE] How can … |
| | ok, i have been working on a prodject for class and hit a big dead end, so i am just going to start over completly(would be easiest) and was hoping to get help from all of you guys, we had to draw numbers out of a hat to get our … |
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| | hello ! im new here and to VB. and i need some help on input validation for text boxes that are linked to radio buttons... at the moment im using If..Then, if i should do something different let me know.. i have 24 text boxes linked to 8 radio buttons … |
| | Hello, I am trying to have a sub repeat an action every so often (happens to be a random timing) and my program freezes when I try to sleep the thread. Below is a general structure of the sub the thread is executing. Any possible solutions? I do NOT want … |
| | hello to all, as we all know that we cant edit a crystal report at runtime and there is no control which enables us to do so. I thought of creating an designer in my project which opens the report in edit mode. please help in this its urgent |
| | I posted a question last week: "Detect Data change in datagrid". I may be so green at VB.net that I may not have even asked my question correctly and plain enough that someone could propose a solution, so here goes again: I am creating a Windows Form and I need … |
| | i am attempting to retrieve a registry setting and set this in a global variable. I have tried to research this problem but havent found much. this is the code: [code] Module Info Friend m_Server As String Public Sub getserver() Dim sRegKey As RegistryKey = Registry.LocalMachine sRegKey = sRegKey.OpenSubKey("software\\Normans Professor … |
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| | has anybody used the clickonce to update their projects?? I am trying to get clickonce setup to update my project on a regular basis but I am not able to get it to work. all I need is to get program updates working. installation will be done on a local … |
| | Hello, I am having an issue trying to add a checkbox field to my DataGrid. I have the following Code but it does not display my checkbox. Any help is greatly appreciated. [CODE=VB.NET] Dim myconnection1 As New SqlConnection(myconn) Dim dtcCheck As New DataColumn("Select") dtcCheck.DataType = System.Type.GetType("System.Boolean") dtcCheck.DefaultValue = False Dim …  |
| | I have a very interesting question here. DataGridView1 is for data input and display, I set its editmode to onkeystroke. When the current cell is NOT in edit mode, click mouse right button will bring up a contextmenustrip. If the menu shows up and you don't choose any menu item, … |
| | I need to have a header column in a datagridview, under which I can call the subcolumns from the database. I'll explain in detail.A header with studentdetails should be displayed when an event is raised the details of the student should be retrieved from the database under the studentdetails header.If … |
 | Hi, I am new to VB. I am trying to parse an html file. I would like not to use a [code=VB.NET] WebBrowser [/code] control because it seems like overkill. The [code=VB.NET] HtmlDocument [/code] class appears not to work outside of a [code=VB.NET] WebBrowser [/code] control. If there is not … |
| | Hi.....need hel from u guys...would like to ask on the error with the coding below...the total dura_hour did not shown in the textbox...can anyone point out the mistake or the missing coding? Me.OracleSelectCommand2.CommandText = "SELECT sum(DURA_HOUR) FROM DOWNTIME" Me.OracleSelectCommand2.Connection = Me.OracleConnection2 OracleConnection2.Open() OracleSelectCommand2.ExecuteNonQuery() OracleDataAdapter2.Fill(DataSet141) txtRelia.DataBind() OracleConnection2.Close() thx in advance |
| | I have been trying for two days to figure this one out, been all over the web and cant find much that helps. I am new to 2005 and want to use it in place of vb6. The problem I am haveing is I need to be able to open … |
| | Hi While i am executing the following code, it throws an error message "Error is FROM clause" cmd = New OleDbCommand("select * from patient table", cn) What is the reason |
| | Hello All, I have a user define class, [code=vb] <Serializable()> Public Class City Public Name As String = "" Public State As String = "" Public URL As String = "" Public Sub New(ByVal state As String, ByVal name As String, ByVal url As String) me.State = state me.Name = … |
| | I have a folder path which i chose at runtime. Now i want to check if the Folder contains files with extension .txt. How to do this. |
| | Hi, I am working on VB.Net. i want to calculate the run time of a program . i want to know how much time it would take for the program to run.I work on console .Can anyone tell me how to use this function. Thanking in advance |
| | I am working on the project of cryptography and i have entered text in textbox and convert into hexadecimal numbers or binary numbers and store into the one array using the shift function. Shift each binary digit from their place and store it into array and vice-versa. how can i … |
| | I have a project which I created a setup for in an MSI file. My computer crashed, and I lost all of my work. Fortunately, I had the MSI setup file out on the web. Now, I have my MSI file and I can install the program. But is there … |
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