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I was so amazed at how easy it was to embed google maps into a vb app I decided to post a quick example to help anyone get started. This is a simple example. Google's api has all kinds of things to help customize your map. You can find out … |
How to get current Selected Row in dataGridview and print using crystal report? Print Only selected current row in data gridview |
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HI I have vb.net with ms access database application. I want to create log in form Here is my code but when enter the details and hit Login button it says"datatype mismatch error" Dim con As New OleDbConnection Dim cmd As New OleDbCommand Dim rd As OleDbDataReader con.ConnectionString = "Provider=Microsoft.ACE.OLEDB.12.0;Data … |
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Hi everyone, I have been strugling wit the "INSERT INTO" statement. I intend to insert the items that are in a datagridview into An Access Database when a button is clicked. I am using VB.NET 2008 express and Microsoft acces 2007. At first, I tried to use the listview, but … |
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hi guys I was wondering whether it is possible to load items to the data grid view without having to do it in the form load event. if so, please assist in discussing a few techniques. thanks |
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I have datagridview that is bounded with some data source.... I want that the Datagridview should keep all the rows with their data when i remove its Datasource... I remove its datasource by Mydatagridview.datasource = Nothing.... When i do that... the datagridview clear all rows... Please tell me how to … |
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Hi, I am new to VB.NET and am working on what is pretty much my first app. The app is based on a sql data source (created within Visual Studio) and basically is intended to show who is on-call when the app is loaded. So, i have some test data, … |
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i try to align a line of text with vertical center on coreldraw x5 to a specific point, example point x = 0, point y = 2, this is my code : Dim a As New CorelDRAW.Application a.Visible = True Dim b As CorelDRAW.Document = a.OpenDocument("document path to open") b … |
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i am so confuse dude.. why in my visual studio 2010 ultimate didn't show crystal report gallery? after i click "add new item" and add crystal report, it just show me SAP page that say "learn and download". i have install SAP crystal report runtime engine for .NET framework 4(32-bit). … |
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hi !! my background in vb.net is not that good, but i need to make a voting system, user must be log in once and update his status into yes after voting, i have a table namely tbl_elemvoters it has a fields : voterid, username, password, name, grade, section and … |
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Hi, luc001! I am using VB 2008 Express Edition and Access 2007. Here, i want some codes over the database connection issues like successful record updates after the connection is get closed, report generations and all with error handlings. So ll u please help me out with the issues. |
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I want to compare a date in a database to today's date and it they are equal. Display the contents of the related date in the database in datagridview on a new form. This is my code Private Sub TimerAppoint_Tick(sender As Object, e As EventArgs) Handles TimerAppoint.Tick Dim TheDate As … |
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Hi, How do you get the WebBrowser's Url in a Combobox? I've tried the Url member but it says "Value of type 'System.Windows.Forms.WebBrowser' cannot be converted to 'String'." I also tried the LocationURL member also but it was in VB6 and not VB.NET. Please help me. Thanks in advance |
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Hi I have a datagrid with 2 columns (Scores(Int) index 0 and Comment(varchar) index 1) Comment columnvalue depends on score columnvalue. This code works well in my cellvaluechanged event If e.ColumnIndex = 0 Then If Not IsDBNull(Me.dgvStudDisc.Rows(e.RowIndex).Cells(e.ColumnIndex).Value) Then If Me.dgvStudDisc.Rows(e.RowIndex).Cells(e.ColumnIndex).Value >= 0 And Me.dgvStudDisc.Rows(e.RowIndex).Cells(e.ColumnIndex).Value <= 5 Then Me.dgvStudDisc.Rows(e.RowIndex).Cells(1).Value = "Very … |
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Hi group! I have what I hope is a unique question: In need to populate a combo Box with the information stored in 6 different columns on one row of a data table. I know how to do this if it just one column and one row. To be specific, … |
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Hi plz help me to correct this code.... This code is showing just first result in texboxes...how to get rest plz help... Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load cn.Open() bindDp() cn.Close() End Sub Public Sub bindDp() cmd.Connection = cn cmd.CommandText = "Select * From … |
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i have a datagridview with 2 columns on it. i add column 1 manually from Datagridview task (add columns), it should numeric value and came from user input. for column 2 (it's numeric value), on load event from database with this : Using conn As New MySqlConnection("connection string") conn.Open() Dim … |
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Hey guys how do you filter a datagridview with a the contents of a combo box? For example i have a combobox filled with categories. btw im using a MYSQL as database |
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I am populating datagridview(10 columns) with dataset.I am changing 7th column from textbox to comboboxcell at run time if some value(say caste) in database table for row is null. If caste field is not null in database, then comboboxcell should display that value for that particular row.Below is the code … |
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how to insert , update and delete records in vb.net Database and Access as the Back End |
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Hi, I need a little help here. I'm Using vs 2005 with ms access 2003 database and finding myself how to get rid of this error "Syntax Error on UPDATE Statement" can you take a look at my codes below and tell me what's wrong? Thank you. Public Class Transactions … |
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Please, I need help. I have an aplication in Visual Basic 2010 and database created in Access 2003. It's very simple database, it has two tables named 'doctors' and 'patients'. I want to itegrate databse into VB. I used Wizzard to integrate. Now I have Binding Navigator (with buttons Next, … |
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i want to put the values from three text boxes into one cell of my datagridview.. |
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i wanted to know the code for putting values from comboxes into Datagridview but i tried but im getting coversion exception.. Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click Dim conn As New SqlConnection("Data Source=.\SQLEXPRESS;Initial Catalog=grade;Integrated Security=True;Pooling=False") Dim cmd As SqlCommand If ComboClass.SelectedItem <> "" Or … |
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Hello Community, I was wondering if there is a way to stick a cmd window/process that i called from my vb form to the bottom of the form like the picture: (below) ![form2](/attachments/large/3/form2.png "form2") And so where ever i move the form the cmd windows will also follow. Also is … |
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i'm just curious, can we make scrolling text without using a Timer? (like scrolling text for news in television) |
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i have a listbox with many path of picture in Form1, in Form2 i have a PictureBox to show the picture (based on listbox.selecteditem.tostring in Form1), is it possible to make every transition fade? |
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i have made a database in sql+. it has a database. there is a table project. its columns are p_id,p_name,p_manager. i have inserted 5 rows in above table. in d front end in vb6 i have a form . please help me with the code such that my p_id is … |
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how can i view record from my mysql database in datagridview and update or delete it? can you guys help me? please share your codes. thanks in advance. |
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objCommand.Connection = objConnection objCommand.CommandText = "UPDATE tblEnrollment" & _ "SET dateOfHIVDx = @dateOfHIVDx, " & _ "CD4CountAtDx = @CD4CountAtDx, " & _ "WHOStgAtDx = @WHOStgAtDx, " & _ "ptInitiatedART = @ptInitiatedART, " & _ "ARVRegimen = @ARVRegimen, " & _ "recentWHOStg = @recentWHOStg, " & _ "dateOfRecWHOStg = @dateOfRecWHOStg, " … |