20,285 Topics
 | |
| | So, I'm automating a payment import system, writing the whole thing from scratch. It has to pull data from excel files (including extraneous data that we need to discard), process it, and insert it into a database. Oddly, those aspects are going quite well. However, I'm running into a problem … |
 | Hello Friends, One help needed.... I have a product database....in which I have productid,prodname,inventoryvalue,reordervalue I have to design a email system that as soon as the product reaches the reorder level it shud generate an email.... but the condition is there will be many products in the database....and on one … |
| | Never had this problem before, and i am not sure how this happened. I got a Mysql sql database for my project. The id field is set as auto increment, which seems to function correctly. But on the form in my text field and datagrid i see a negative number, …  |
 | hello ! i am working on a c# project , but i had done all this is vb before , now i have all the code in vb.net and i want to use it in c# project , someone told me that if i make dll of my vb modules … |
 | Here's the html i want to understand i want the first div class to let the program no im dealing with only hel(helium) and then still in the hel(helium) section , is span class i want the production value so basicly i want only one at a time not the … |
 | I am working on creating a basic battleships game in .NET, I have got all the functionality working however i have never used .NET for any networking applications. All i need to do is send a co-ordinate to the other player when they click on a given square. the co-ordinates … |
 | I want, create (+) like this two line a little big than +, but it's have to always topmost, i run a game it's again topmost. How can i, Thanks now |
| | Here's my code Dim allelementds As HtmlElementCollection = MbFacebookBrowser.Document.GetElementsByTagName("span") For Each DD As HtmlElement In allelementds If DD.OuterHtml.Contains("resource") Then TlsResourceComboBox.Items.Add(DD.GetAttribute("InnerText")) End If Next LblHel.Text = TlsResourceComboBox.Items.Item(0).ToString LblIro.Text = TlsResourceComboBox.Items.Item(1).ToString LblOxy.Text = TlsResourceComboBox.Items.Item(2).ToString LblWat.Text = TlsResourceComboBox.Items.Item(3).ToString As you can see im currently using a combobox as a type of a list …  |
| | Hi Daniwebers, As a personal interest I was thinking to develop some chat tool. But I havent done any network programming so was hoping for some guidance from you. How can I build simple login program for www.nimbuzz.com ? how can I start to work on this project? Any suggestions, … |
| | Dim MaxVal As Integer For a = 0 To DataGridView1.RowCount - 1 If MaxVal < DataGridView1.Item(DataGridView1.ColumnCount - 1, a).Value Then MaxVal = CInt(DataGridView1.Item(DataGridView1.ColumnCount - 1, a).Value) End If Next MsgBox("The Optimum Value is " & MaxVal, 1, "Optimum Choice") |
| | what sql command i must use. this is my current command but it give me an error saying "The specified filed 'ClientNo' could refer to more than one table listed in the FROM clause of your sql statemate." Try dc.Connection = conn dc.CommandText = "SELECT * FROM tblClient, tblClientInfo WHERE …  |
| | Hello Folks, Im really newbie in VB.NET and i hope that someone could explain how may i do this successful, ok im explaining now.. I had two richtextboxes and one button First richtextbox contains the following text: <user_register.php: 2012-02-21 00:03:49 POST username=sexhunger15 email=ho_t**@hotmail.com email_confirm= password=vergota password_confirm=vergota country=CA msisdn= isyp=0 isPremiumChat= … |
| | I have an Attendence form the form is like this the employee should select there number then click on sign in button it should save the date of the day , the time in , the number of the employee and display tha data in the gridview and disable the … |
| | Hello everyone.I am new to vb.net 2008 and i am in trouble.The problem for me is that i am making a windows form for a company and i am in a mess in getting my database connection to my datagridview by clicking a button and my data should been shown … |
| | Hi to all first to say I am beginner in programming so please dont mind for mistakes I could write here :) I have this problem, on the form I use one combobox with Data Bound items, Data source, Display member & Value member. Besides this combobox I have textbox … |
| | When I am scrolling datagrid after selecting one row I am getting error as "An unhandled exception of type 'System.StackOverflowException' occurred in System.Windows.Forms.dll" on line : MyBase.Edit(source, rowNum, bounds, [readOnly], instantText, cellIsVisible) Whole code is given below : ' Hosts a TextBox control in a cell of a DataGridColumnStyle for … |
| | ` connectionString="Data Source=########;Initial Catalog=DowntimeD51;Persist Security Info=True;User ID=#######;Password=########;Connection Timeout=120;Encrypt=False;TrustServerCertificate=False;Network Library=dbmssocn"` I have the above connection string in a vb windows application , This is part of my app config file. I then have a number of table adapters for connecting my business logic to the database , One of the queries … |
| | Hi, Ever had an application that you want to store user specific settings on? e.g. login name or Form background colours, User specifc DSN connections etc. So the next time they run the app the information is there for them? This can be achieved in VB.net with just a few … |
| | can you help me how to select from multiple tables. so far this is my code how do i Dim dr As OleDbDataReader Dim dc As New OleDbCommand dc.Connection = conn dc.CommandText = "SELECT * FROM tblClient, tblLoan WHERE ClientNo = '" & ClientNo & "'" dr = dc.ExecuteReader If … |
| | Hello Friends, One help is required.... I have a select query which is based on two criterias.... if the order is in process or if the order is received.... The datagridview will show all the records from the database,,,, I want to disable the rows in datagridview which will be … |
 | This a just a basic webform setup of a listbox being populated with data from a database, in this case the Northwind Access database, and then populating textboxes with data related to the item the user selects. [u]1. WebForm [/u] -Create an ASP.NET webform page -Add a [b]listbox server control[/b] … |
| | Guys, I having problem with the encryption method. I have the class but not quite understand. It will store the salt and hash password in the database. Imports Microsoft.VisualBasic Imports System.Security.Cryptography Imports System.Text Public Class PasswordCrypto Private Hasher As New SHA1CryptoServiceProvider() Public Function GetSalt(ByVal saltSize As Integer) As String Dim … |
| | please help me guys! i cant install crystal report for visual studio 2010! i already have installed vb express 2010 and yet the installation always fails because the installer says :You must already have Visual Studio 2010 installed to proceed with this installation PLEASE HELP! :( |
| | hello guys how limit the number of data being display on DataGridV0iew ex. i have 100 records, i want them to fetch all but limit the display by 10's and navigate the other. sorry guys thats the best way that i can explain the situation, need somehelp pls.., thank you …  |
| | Hi there, I am trying to use parallel.for in order to calculate the summation of all the values in an multidimensional array. I googled and found [Click Here](http://msdn.microsoft.com/en-us/library/ff963547.aspx). However, this is just for one dimensional arrays. The LINQ does not work for multidimensional array. And when I use parallel.for it … |
| | I am trying to save database after inserting the records into dataset from external file.... But when I insert records and then try to save it, it does not save...No error comes up though.??? Can you please look into the code and help?? If file_path = Nothing Then Msgbox.Show ("Database … |
 | To save data to your program using My.Settings. To do this go to your program's properties and to Settings. Create your variables there and to access them, here's an example: dim FavNumA as string FavNumA = 5 My.Settings.FavNumB = FavNumA My.Settings.Save FavNumA=3 MsgBox (FavNumA) MsgBox(FavNumB) You will get a first … |
| | My doubt is : 1] I have got many forms and MDI container. There is close button on all the forms.One of the form name is Homepage. 2]Whenever the user clicks on close button,i.e.the cross button with minimize and maximize box, The form will close but at the same time … |
| | hello, im have problem with my code..im used access database, when i select combobox1, the textbox will appear data set as value member....but data not appear on textbox..someone can help me :) this my code Sub fillcombo() Dim acscmd As New OleDb.OleDbCommand acscmd.CommandText = strsql acscmd.Connection = acsconn acsdr = … |
| | Hi.. i'm new in vb.net and i have problem with my project. can anyone help me with this problem.. -update button Dim con As New OleDb.OleDbConnection(My.Settings.TREViS_03_ConnectionString) Dim com As New OleDb.OleDbCommand Dim adap As New OleDb.OleDbDataAdapter Dim ds As New DataSet con = New OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\Users\Yaya\Desktop\TREViS(03).mdb;Persist Security Info=True") con.Open() Dim … |
| | Hi daniweb members. Today i would like to how to get all the current frames from a website and also how to access those frames (Meaning , only showing that frame or where the loc is of that frame? |
| | how to save records in listview into ms access database table using a button , i've tried with my codes but nothing is saved in the database `Inline Code Example Here` private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click Dim con As New OleDbConnection con.ConnectionString = … |
| | i have 6 collumn in a listview , how do i multiply each data by row in collumn 4 and 5 and display the result in collumn 6.?? `Inline Code Example Here` Dim itm As ListViewItem str(0) = txttarikh.Text str(1) = txtresit.Text str(2) = Txtkod.Text str(3) = Txtnama.Text str(4) = … |
| | How can i get my key's value using a stream reader [SettingsMB] Remember Me=1 Auto Log In=1 [DataMB] Password="Mypassword" Username="MyEmail" |
| | So, I'm currently trying to open a .xls/.xlsx file, tell it to run a macro to refresh the workbooks, and then save the file as a different file name, thus leaving the original untouched. Now, technically, it is working, because the last person who held my position wrote a dll … |
| | |
 | Hello all, we have a vb.net windows appliacation that uses sql server as backend. we have created all reports for this application using crystal report that is embedded in visual studio 2005. everything is working fine except the reports specially which needs to be displayed is custome mode. we have … |
| | I consider myself a very patient guy with a whole lot of determination to get things working within say, a program i'm working on. However, I feel that I am only wasting precious time that I could be using to actually gain knowledge in something rather than hitting my head … |
| | Hi, All, Sample Table Job_ID Job_Name Status 1 TEST00001 FOR KE 2 TEST00002 FOR KE 3 TEST00003 FOR KE 4 TEST00004 FOR KE 5 TEST00005 FOR KE I have sql query that will get a jobname where status is equal to 'FOR KE' and I have multiple users that will … |
| | Hello Friends....One more doubt... I have a connection module in which I have written the open and close database connection.... if database connection is an error it will return false else if success it will return true the function of the modules will be called from the form code.... what … |
| | Imports System.Data.SqlClient Imports System Imports System.Data Imports System.Collections Imports System.Windows.Forms Imports System.Resources Imports System.Data.OleDb Imports System.Drawing Imports System.Net.Mail Imports System.Configuration Imports System.Web Imports System.Web.Security Imports System.Web.UI Imports System.Web.UI.WebControls Imports System.Web.UI.WebControls.WebParts Imports System.Web.UI.HtmlControls Public Class Form1 Inherits System.Windows.Forms.Form Dim counter As Int32 = 0 Private Sub Form1_Load(ByVal sender As System.Object, ByVal … |
 | hi.. Im a beginner in visual basic 2010 im making my first project i created form3 for the search function so i created 2 checkbox to give the user the choice to choose to search by name or by date or by both of them and i created a button … |
| | Hi, DaniWeb members, Recently i've been developing a progam that will read in a player database that is stored in plain text if the folling format name ,age,score,date played So far i have managed to read in the file and caculate the number of players in the database by Do … |
| | I'm not really sure how to word it, if it is possible, but part of my program reads from a text file. It then pulls out the necessary information needed from that file by finding key identifiers. Right now the code is written to find the first key identifier and … |
| | does anybody know how to create a login form in vb.net? I have an access database and I am trying to create a login form with a user name and password to have multiple users login. Please help. |
| | hey i'm trying to make console app with basic commands like copy,move the problem is that i cant get my code right the command suppose to be like this: > = copy to file directory>the copied file im trying to split the : file directory, > , the copied file … |
| | i have a datagridview in my vb.net form displaying data from ms access file A , table A , is it possible for me to export the data in the data gridview to ms access file A table B?? i'm not using sql. |
| | Hi all, I have a issue in writing excel worksheet through OLEDB/Excel 8.0 provider where an apostrophe is coming in every cell before the value. When the excel worksheet is created through provider,cells are not getting as Text format and remaining as General even though I have denoted it as … |
| | Hi ive got a problem and im not sure how to do this one :( Im currently working on a dll and wondering on how something would work ? Public Sub CtsItemsTooltipText**(ByVal MyCustomItemsTooltipString As String)** ** MyCustomColumnsTooltipString = "This will display the Columns section for a Custom database" & vbNewLine … |
| | Hi, Recently I retrieved code of my project EXE file. And it was almost same with 100s of errors. So my question is Is career in .NET is safe? And is our code safe? Can this be done with other languages? |
The End.