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Hi all I have a script to update the value from datagridview to database I do use a button insert ToolStripButton but not working hope people to help thank ! Private Sub Form2_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load conn = New SqlConnection("") conn.Open() Dim query As …

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Hello my tables have a column type varchar(5) value = 10100 on a form I created five checkbox control corresponding to the value in column if the value =1 checkbox= true and vice versa, the value = 0 checkbox = false how I can upload the data forms correctly by …

I'm working on a messaging application I have a gsm modem and device usb rs232 I want a private message to your phone from a form that I write below is my code but it don't work. My phone does not receive any messages namespace WindowsFormsApplication1 { public partial class …

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I created a datagridview and Added number of rows from 1 to 7 summation to results 1 2 3 4 5 6 7 => results 1 3 6 10 15 21 28 (1+2=3; 3+3=6; 6+4=10; 10+5=15; 15+6=21; 21+7=28) write simple way DataGridView1.RowCount = 9 For i As Integer = 1 …

I want to learn timekeeping software how to retrieve employee information and time timekeeper I'm starting to connect using TCP / IP and trying to figure out how to send and receive data if anyone has found out about this field, can send a code example desire to help thanks …

How can I filter records from the clock set at right angles In data if I add a column is minute Time from start plus column-minute any help? thanks a lot Imports System.Data.OleDb Public Class Form1 Dim con As OleDbConnection Dim dt As DataTable Dim da As OleDbDataAdapter Dim str …

hi all, I'm using to ComponentOne tools I used to control c1schedule create appointments I created a form similar reminder and have difficulty showing appointments in form, more than one appointment appears in a day how to get selected appointments in c1flexgrid ? if I add three appointments, the display …

hi all I have an exercise when I select the value in the combobox will confirm the value on datagridview I wrote a code in combobox of from1 Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load Dim sQry As String sQry = "SELECT Name FROM dtaStudent" …

hi all, I have a piece of code, I can delete the first value but fails and give notice InvalidArgument=Value of '0' is not valid for 'index'. Parameter name: index Private Sub ComboBox1_KeyDown(ByVal sender As System.Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles ComboBox1.KeyDown If ComboBox1.Items.Count > 0 Then If e.KeyCode = …

Hello Everyone, I tried to insert the column name from datagridview1 to rows of datagridview2 and that was work, but the first row problem. when moving the mouse to the end position and back to the first position, the value does not appear. Thanks for your help http://img10.imageshack.us/img10/617/xtv9.png Private Sub …

Hi all, I'm trying to create a control and command control them from the property, there are too many similar statements. I want to cage them in a group of properties, so I have created a class that contains the property and call them from the main property of a …

I'm trying to create a HScrollBar same scrollbar in datagridview, when resizing the form and columns the impact HScrollbar make it work. expect people to help, thank

I'm implementing a function. While choosing any of datagridviewcheckboxcolumn in form1 and show form2 when click button to close, datagridviewcheckboxcolumn in the form1 will is false ? Please help on this. using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; namespace WindowsFormsApplication1 { …

I have a form that FormborderStyle is none put it, after I create forms like resizing the original form, but its default size does not change when scaled how to change the default size of the form? Thank you ! [Click Here](http://vanhuynh.comoj.com/home/all%20pictrure/Ask%20Image/how%20to%20change%20the%20default%20size%20of%20the%20form.png)

Hi there ! how to select row from datagridview when column have cells is empty I tried this but nothing worked Please help on this private void selectrow() { int i; for( i=0 ;i<dataGridView1 .Rows .Count -1;i++) { string row = dataGridView1.Rows[i].Cells["Name"].Value.ToString(); if (row =="") { sqlconn.Open(); string sqlquery = …