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| | Hello I tried a lot however I have not been able to update data entered in the datagridview into the database table Any suggestions [code] Imports System.Data.OleDb Public Class Form1 Dim conn As OleDbConnection Dim icount As Integer Dim datagrid1 As New DataGrid Dim da As OleDbDataAdapter Dim ds As … |
| | I am trying to move a match from a match collection to another listbox as string. here is my regex code [CODE]Dim request As System.Net.HttpWebRequest = System.Net.HttpWebRequest.Create("http://localhost/pos/leftpanel.html") Dim response As System.Net.HttpWebResponse = request.GetResponse Dim sr As System.IO.StreamReader = New System.IO.StreamReader(response.GetResponseStream()) Dim rssourcecode As String = sr.ReadToEnd Dim r As New …  |
| | Hi all, I have added a template field in a gridview. In that i have added a radio button. I have written a code which will get row Id of GridView of a row which is having a radiobutton on it checked. Through code i am getting even name of … |
| | hellow and and hi iam developing billing system in which i have used gridview control with three columns named Description,qty,price and total code given below it works fine but problem is when i edit any cell of datagrid a new row inserted automatically is there any property or way by … |
| | I want to load a Menu based on an XML document. I'm including an example from BartPE that does the same thing. I'm hoping that someone will have some experience with this before. [CODE] <?xml version="1.0"?> <NU2MENU> <MENU ID="Startmenu"> <!--==--> <MITEM TYPE="POPUP" DISABLED="@SetMenuPos( 'L','B' )0" MENUID="Programs">Programs</MITEM> <MITEM TYPE="SEPARATOR"></MITEM> <MITEM TYPE="POPUP" … |
| | I am trying to make a program where there are several pictureboxes with different pictures. When i click on one, a new one forms at some location on the form. When i utilize the given code, t gives a system null reference, saying I need to add a "new" statement … |
 | I have an app that writes to XML. If a text box is filled, then I write that value to the XML doc. [CODE] writer.WriteStartElement("VEHICLE_LICENSE_NUMBER") '10-28 writer.WriteString(frmCitation.txtPlate.Text.ToString) writer.WriteEndElement()[/CODE] If TEST123 is the value in the text box, this is the result. [CODE]<VEHICLE_LICENSE_NUMBER>TEST123</VEHICLE_LICENSE_NUMBER>[/CODE] Question is, if that value in the textbox … |
| | I dont know how to link my table to the database yet i already finished connecting to the application itself. i have four fields on the form as well in the database table. that is 1.word 2.lug_trans 3.Eng_trans 4.meaning the same fields appear in the database tables. i have to … |
| | i'm working on a system that include an audio annotation for every word. I have no problem when it comes to English Pronunciation of words. I'm using this Sapi code [CODE] Dim Sapi Sapi= createobject("sapi.spvoice") sapi.speak("label1.text") [/CODE] But is there a way i can also use this code when it … |
| | How to make a easy HTTP Webserver in Visual Basic 2008? |
| | I've written a code where depending on some condition i have add item in list as [CODE] With lview .Items.Add(mydr(0)) With .Items(.Items.Count - 1).SubItems if some condition then .Add(mydr(9)) end if end with end with [/CODE] But when i call listview click event for the if condition failure cases it … |
| | I’m a newbie and this is a simple problem I’ve been stuck on. How do I add numbers from an array in VB 2008? I’ve filled the array with 10 test scores. I’ve sorted the array in descending order (from highest to lowest). Now I need to figure out how … |
| | I'm trying to create a program that will connect to my access database and perform a simple query. Then I want to put the data (image and other info) into active directory. But I keep getting this "Declaration expected" error when I'm setting up my connection. Can someone please take … |
| | how to setle this problem....ihave code below...but i cannot run because this error..."Conversion from type 'DBNull' to type 'Boolean' is not valid." CheckBox1.Checked = DataGridView2.CurrentRow.Cells(10).Value CheckBox2.Checked = DataGridView2.CurrentRow.Cells(11).Value CheckBox3.Checked = DataGridView2.CurrentRow.Cells(12).Value CheckBox4.Checked = DataGridView2.CurrentRow.Cells(13).Value CheckBox5.Checked = DataGridView2.CurrentRow.Cells(14).Value how i have to set in my table to insert input 1 or … |
| | On my page i have taken grid . On that grid i have taken Itemno,on that item selected change index item desc and rates appears. I want the event fire without refreshing the page |
| | I've been trying to figure out the easiest way to populate a menu to allow for easy updating in the future. I would like to add anything to a specific folder and when the program runs it would be populated by the contents of the specific folder. Is this possible? … |
| | I have tried many ways to download the files in a listbox. non-seems to work. the listbox has url eg: [ICODE] [url]http://www.hahaww.com/2.pdf[/url] [url]http://www.hahaww.com/f1.pdf[/url] [url]http://www.hahaww.com/24.pdf[/url] [/ICODE] I want to download the files until ListBox.Items.Count = 0 which each file with number ording... for eg: 2.pdf will be 1.pdf f1.pdf will be … |
| | Im working on an app that takes two numbers(lower bound and upperbound)and determines all the prime numbers within the specific bounds, inclusive. [code] Public Class primeNumber Private Sub calculatePrimesButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles calculatePrimesButton.Click 'declare variables Dim N As Long Dim LowerBound As Integer Dim UpperBound …  |
| | hellow and hi! i am working on billing system first i want to define purpose of bellow code this code will multiply the qty and price and assign the value to total column and validated on enter key if i press enter key and value is price or qty is … |
| | Hello, I'm trying to figure out how to put jpeg images from my access database into active directory. Can anyone suggest any helpful tutorials that might get me started because I really don't know where to begin? I'm currently looking at one particular tutorial but its not making any sense. … |
| | Hello, I have a layout and i have to paste information on that layout, in that lay i have Columns H, P i have a formula in column P like this [CODE] =IF(ISERROR(P3/H3),0,P3/H3) [/CODE] but when i insert the information obtained in VBN to EXCEL worksheet it pastes the information … |
| | Hello, I have a program connecting with a database.. so when add record in it, i want to validate for the duplication of ID in database.. here's my code for add button: [code]Private Sub cmdAdd_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmdAdd.Click dSet.Tables(0).PrimaryKey = New DataColumn() {dSet.Tables(0).Columns("WatchID")} 'The …  |
| | Hi. I'm working on a project using VB.net. Just wondering, can VB connect with Dreamweaver/Frontpage? Let say an online food ordering, customer fill the form in the website then the VB program receive the request. I know more about VB than HTML so I'm not so sure about it. My … |
| | any one here can help me to make access database and connect it to a visual basic 2010 program and update and retrive information from it please help me if you can |
 | The code for this is: [CODE=VB.NET]'IMAGE HANDLING Dim bytes() As Byte = DS.Tables("Location").Rows(0).Item(4) Dim ProductImage As Image = Image.FromStream(New System.IO.MemoryStream(bytes)) pic_ProductImageDisplay.Image = ProductImage pic_ProductImageDisplay.Load()[/CODE] The error occurs line 3 stating "ArgumentException was unhandled: Parameter is not valid." Any idea on a solution to this problem? |
 | This is an answer to a question in C++ area. [url]http://www.daniweb.com/software-development/cpp/threads/355232[/url] It should be ready to be modified to code in C++, C#, or Java, because VB.Net is fully OOP. Even though it can be used for vectors, you may still want to modify it to a Vector Class. |
| | I need help building a program that displays full-time and part-time employees names and salaries when the user uses a radio button to choose either full-time or part-time employees. It's a program from the Getting Started with Visual Basic 2010 but I can't determine which part of the chapter specifies … |
 | I am writing a database and need to post a value in a lable to a sql field. the sql datatype is set to money. when posting i have CMD.Parameters.addwithValue("@Claim", LBCLAIM.text) when posting i gett an error cannot convert a char vaule to money. the char vaule has incorrect syntax. … |
| | im currently working on a system and it needs a backup and restore function.. can someone help me about this?.. i dont have any ideas yet to do this code and in the first place i don't know how to use it.. its flow and how it will do the …  |
| | Hi there i want to know about grading system in visual stuio i am new in software engr just tell me how we make grading system in windows application in visual studio like when we put 5 in grade section the basic sallary will be 15000 and home allownce will … |
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