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- Interests
- Developing Desktop Application Using VB.Net
Hi every one . Recently i complete my project on libraray managment system which work perpectly on my system. Now the problem is that when i Execute my project on other system it show error at con.open i.e it mean that connection string not set in this system . Now … |
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Hello every one . I have a piece code in VB.net which work perfectly. but now i convert that code to C# Which give me the follwing error. "No suitable Method found to override" my VB.Net Code is Here Protected Overrides Sub onload(ByVal e As EventArgs) startPosX = Screen.PrimaryScreen.WorkingArea.Width - … |
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Hi guys. I'm having problems in updating records in Excel. Whenever I update a cell the value I input it goes 4 cells above the intended cell and I know the reason. In my Select query: `SELECT * FROM [Sheet1$A5:R1048576] where [ITEM CODE] is not null` Meaning I skipped reading … |
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Hi all. I need your help. Iam using vb.net 2010 and sql server 2008. I have problem when retrieve multiple rows from database to datagridview. All rows have the same identification number(patient registration number).I have problem in loop to show the all rows in datagridview. Pleaase anyone knows that help … |
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I am working on a form which uses an Access (oledb) database, I have a button to update, and other to insert a new client, when I insert a new client it successfully adds it to the database, but I have to open and close the form to update it, … |
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Hi guys, I've been working on Vb.net for about 2 and a half years. It's easy and always has been. I did almost everything. I need some new ideas to work on. I did all the basic stuff such as: picture viewer browser calculator 'explorer' - to view files/folders reads/writes … |
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Dim startdate1 As String = DateTimePicker1.Value.Date Dim enddate As String = DateTimePicker2.Value.Date myConnection = New SqlConnection(connectionstring) myConnection.Open() Dim insert As SqlCommand = New SqlCommand(" INSERT INTO Client_Details (Contract_Name ,Client_Name ,VAT_No ,Cilent_Address,Start_Date,End_Date ,Contract_Value,Telephone_No) VALUES('" & TextBox1.Text & "','" & TextBox2.Text & "','" & TextBox4.Text & "','" & TextBox5.Text & "','" & … |
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I was just wondering if there is a possible way to get the last 4 characters from a label or textbox. If someone could please provide me with an example that would be great! Thanks.. |
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Hi All, What Wrong with my QUERY ! it show Repetition of Record in INNER Join i.e when i have 3 record in database it show it 9 time using This query.... SELECT dbo.EmployeeSetup.EmpID, dbo.EmployeeSetup.EmpName, dbo.EmployeeSetup.FatherName, dbo.EmployeePayment.Designation, dbo.EmployeePayment.Department, dbo.EmployeePayment.Salary, dbo.EmployeePayment.Advance, dbo.EmployeePayment.Deduction, dbo.EmployeePayment.OvertimeAmount, dbo.EmployeePayment.PaymentDate, dbo.EmployeePayment.ModeOfPayment, dbo.EmployeePayment.NetPay, dbo.EmployeePayment.PayMonth, dbo.EmployeePayment.Fine, dbo.EmployeePayment.Fund, dbo.EmployeePayment.Insurence, dbo.EmployeePayment.Tax, … |
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Hello Everyone, Page Structure Page -> Place Holder -> web User control -> Dropdownlists This is my Page Elements. There is click event to generate new webUserControl and place it onto PlaceHolder. Now my Problem is that I have three Dropdownlist inside webUserControl and all values of dropdownlist populates from … |
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Hi every one ! i am try to Bind Dropdownlist from Gridview .... what i am trying to do i fill my GridView from dataBase .. when i select a Row From Grid it Fill TextBoxes But show error in *"'cmbNature' has a SelectedValue which is invalid because it does … |
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Hello Friends I am VB.NET Programmer and currently working on a project where i have to search from combobox. I am retreving the data from database(MS ACCESS) and loading it in combobox at form load event I have set the following properties in combobox for search : 1. AutoCompleteMode TO … |
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Hi every one ! i need to generate a key generator program any one help me. there is one Label and one Button on my Form. e.g i want to generate a random number on Button_click Event like this i.e. g12tu-7bhg5-khd9k-kh88f kdj44-jk73n-khjk6-88dkg |
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hi everyone i am try to write a code for a checkbox that work like a radioButton dynamicaly in vb.net. i.e. if i have 5 check box and i try to check the first one other will become unchecked. Second with same code if i increase the number of check … |
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how to code vb.net connection string support to all computers? normally we are puting connction string like this. con = New SqlConnection ("Server=REHAN-PC \SQLEXPRESS;Initial Catalog=library;Integrated Security=true") con.Open() but the thing is when we are going to put this application to another computer we have a trouble. Now what to do? … |
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hi all. I want to fill the Listview from a mssql database in vb.net but it not show all the data in Listview. I have the followning code. Dim sSQL As String Dim lvwItem As New ListViewItem() sSQL = "SELECT field1, field2, field3 FROM tablenam e " sSQL = sSQL … |
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how to create a pop up form for each row in datagridview that holds detailed info about that particular row of a column ? I want a editable pop up form with two text boxes and sum of both text boxes in the selected cell of the column . i … |
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hi there. anybody knows how to display conntents of (SQL)database in vb.net using label? |
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i want to click on a row in grid view and the details of each attribute can show separately in textbox field. i had type this in my coding part, but it doesnt work. may i know how to do it? thanks you. Dim text As New TextBox Dim sql_productname … |
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Hi All, On my form I have a datagrid. From this form I initialise a new instance of my data access class and using a dataadapter I return a datatable from my sql server database. The datatable is then set as the datasource for my binding source and intrurn the … |
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So far i have a code that only allows you to enter numbers but how do i limit the value from 0 - 9999. Also how would i be able to display a message label if the user is doing something illegal. Right now i have the messagebox setup but … |
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Can someone please show me how to get the Odd number using the For..Next loops in VB I have declared the following; Dim intCounter As Interger Dim intStartValue As Interger Dim intEndValue As Interger Dim intSum As Interger intStartValue = 0 intEndValue = 50 intSum = 0 Iam trying to … |
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Actually I'm doing a project to maintain the company info, here i wanted to write a code to check whether the company id already exists or not. that is if the id 123 is already present in the access database then it shuld show the msg that it already exist. … |
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Creating a Report in Visual Studio 2008 In this section, you create a report that draws its information from the sample Microsoft Access database that ships with Crystal Reports. To create a report with secure data from the Your database follow these steps . 1. In Solution Explorer, right- click … |
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I would like to know how to open any file by using the codes!!! |
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Hi, I am stuck on this two sqldatadapater and sqldatareader,we can display records in listview by using this sqldatadapter and sqldatareader.my question which is more effecient and secured to use?does this two matters in populating data in database? |
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Hello dear ALL I am working with a form in vb.net which have the follwing attribute i.e BOOK TITLE(text box) , CATEGORY NAME(combo box) ,YEAR PUBLISHED(t.box) and SAVE button .the CATEGORY combo pickup data from CATEGORY TABLE on cat_name . on back end (SQL SERVER) there are two tbl i.e … |
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Thank all you for last replies here i hve a problem in my project . I have 2 form . In frm1 i have a datagridview which contain all information of student i.e ID, NAME , CLASS No. , ADDRESS , Department and course . In this form i hve … |
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hie how can i restrict the user to enter only numbers in a textbox |