ReyJEnriquez

Several people have asked how to export data to Excel. This code snippet shows how to export the data from a listview in details mode to a new Excel spreadsheet. Take note of the comments in the header to avoid having orphaned Excel.exe tasks eat up your system memory.

Actually, I have a problem when I am trying to update the datagrid after I make changes on the data and sort the datagrid. When I do some changes on the data in the datagrid, and sort it. There are no any error. While I try to update it, there …

Hi all, I was just using iexpress to wrap up my vb.net project just to make it .exe file. It went fine but when i launched the .exe it's telling me that the database doesn't exist in the file. I put my database file in \bin\debug folder.Now it's telling me …

Hi Guys. I hope everyone in doing great today:-) I have some problem, this coe does not produce mi in aplhabetical oreder. I am using Heapsort as a sorting algo...and please help me Hope to hear from you guys;-) Public Class MyForm Private MyTable As New DataTable Private MySortedTable As …

1. Please write 1 simple C++ program to calculate any number and the operation you should do is: -add, minus,divide,multiply 2. Please write a program C++ that can accept user input ( ex.student name, address, date of birth etc..) in Character Data Type. Once, the input has been entered, it …

we should create a program that could run through two computers and the computers should be able to access 1 database for record sharing. how can we make that? we already made the system. the problem is, how can we implement this in a networked way? thanks in advance. :)

Hi Guys:-) I hope everyone is doing great:-) I Have a Question.. How to Display Selected Data in a DataGridView using it's own events?? This is my Code.. Public Class From1 Private Sub frmTest_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load ChildNameTableAdapter.Fill(TestDataSet.ChildName) End Sub Private Sub DisplayButton_Click(ByVal sender …

Hi Guys!.. Is the Datatable in vb.net can be indexed like a usual array?... Array[0]....Array[1]....Array[2]...etc But for DataTable?? How can we do that??...in such a way we can access a certain row.... Thanks guys:-)

Hi Guys, I hope everyone is doing great:-) I have a question... How To check if datatable is empty or no data is inside a datatable yet? Can you provide me with just code snippet?.. Thanks:)

Code the keypress event of the textboxes. Allow numbers, the backspace key, and the decimal point. Only write the code once and use Handles. Answer Private Sub TextBox1_KeyPress(sender As Object, e As KeyPressEventArgs) Handles TextBox1.KeyPress End Sub

Hi im new here, and hope to exchange ideas and learn a lot in this community

I have used treeview control in Vb 2010 and I need to upload files in the corresponding products How should I do it and what is the source code for the same.

I am currently trying to make a simple file uploader using http://msdn.microsoft.com/en-us/library/w3kksch7.aspx and its pretty straight forward except I keep getting the error Access To the path 'E:\Temporary' is denied I tried running visual studio 2012 as admin I already change the directory (It was at C: earlier) Help and …

can anyone assist me with the following question: write a pseudocode for a function to calculate the percentage of characters in an input string "d", "e", "c" and "t". draw a flowchart for a procedure to sort 3 inputs numbers in ascending order write a vb.net function procedure to implement …

filter combobox in a datgrid based on another combobox vb.net Hi ,, i have problem with combobox i have two combobox and two tables table manages (ManageID, ManageName) table Departments (DeptID, DeptName, Dept_ManageID) 1- CboEmp_Manage 2- CboEmp_Dept Public Class Class1 Public sub FillCombobox (ByVal cbo As Combobox, ByVal TableName As …

Hi EveryOne:-) I hope everyone is doing great... I have a question.. I have a table in a database and it contains 20 names How to loop in a database and display each name in a msgbox?? Thanks :-)

How would i let 3 checkbox acts like a radio button...

do you guys have any idea on how would i know if my vb.net app is trying to retrieve data from online database?.i am hoping that someone here can give idea because i really dont how would start doing it...

Hi everyone.. How to make the checkbox stays checked when double click??? When i click the checkbox it will check, and when i double click it, it will still be check... how should i do that guys???... Cheers:-)...USC CAS CHEERDANCE TEAM

Good day to all I was wondering if it is possible to show all data in a datagridview that doesn't match from 2 tables? Like Inner Join if you have at least 1 match data from the other table it will display it. What i want is to display those …

Dim table As DataTable = New DataTable table.Columns.Clear() Chart1.DataSource = Nothing Chart1.Series.Clear() table.Columns.Add("Color", GetType(System.String)) table.Columns.Add("Data", GetType(System.Int32)) table.Rows.Add("Green", Integer.Parse(txtgreen.Text)) table.Rows.Add("Red", Integer.Parse(txtred.Text)) table.Rows.Add("Blue", Integer.Parse(txtblue.Text)) table.Rows.Add("Yellow", Integer.Parse(txtyellow.Text)) table.Rows.Add("Brown", Integer.Parse(txtnothing.Text)) Dim IEtable = CType(table, System.ComponentModel.IListSource).GetList Chart1.DataBindTable(IEtable, "Color") Chart1.DataBindTable(IEtable, "Data")

Hi, One of the users of my application is complaining that he can't open the application. He gave me the debug output of the crashed application...unfortunately I'm not an expert and have difficulties to manage it...would you please give me some help and help me understand why the application is …

Please help me to Checking for Duplicate Record of SQL Database before Inserting & Updating this my code please may anyone check my code If class1.sqlcon.state = connectionstate.open then class1.sqlcon.close() End If class1.sqlcon.open() dim cmd as new sqlcommand dim Qresault as integer cmd = new sqlcommand (" SELECT COUNT (*) …

Hello Everyone, I hope everyone is having a nice day ;-) I have a question about combo box and here is it... I Have sex combo box(Male or Female only) and i want that when i choose Female it will have an id of 2(Male = 1, Female = 2) …

Does all pre-defined function in vb.net can be override?? because of this (Public Overrides Function ToString() As String) I was able to ask this kind of question..

studentrecords table.,.,contains IDNumber,LastName,Course,Firstname i will login through my system using IDNumber and once i go to the mainform iwant to display LASTname and course to the 2 textboxes in the mainform using the IDNumber as their Primary Key.,.My code errors Dim con As New OleDbConnection Dim cmd As New OleDbCommand …