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Comments by Member 10896203 (Top 4 by date)
Member 10896203
18-Aug-14 21:57pm
View
thanx for the answer..i will try first..
Member 10896203
18-Aug-14 4:35am
View
I created two checkbox in vb.net and 2 data in the database to checkbox and name it as "male" and "female" for sex and how do I make the database read only one data wherever it mean when I click on the checkbox "male" only "male" data is displayed in the database ? because now when I press on a checkbox database data read both male and female at a time ..
Member 10896203
16-Jul-14 5:18am
View
i got error it say An unhandled exception of type 'MySql.Data.Types.MySqlConversionException' occurred in MySql.Data.dll in line ' new_item.SubItems.Add(dr.Item("Date").ToString)' after i delete that line and check my database time and date still 0000-00-00 n 00:00:00.
i get problem to save correct date and time in database..
Member 10896203
16-Jul-14 5:12am
View
this my coding..
Imports MySql.Data.MySqlClient
Imports System.IO
Imports System.Globalization
Public Class Form1
Dim con As New MySqlConnection
Dim cmd As New MySqlCommand
Dim result As Integer
Private Sub Button4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button4.Click
Me.Close()
End Sub
Private Sub btnInsert_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnInsert.Click
con.ConnectionString = "server=localhost;user id=root;password=123456;database=activity log"
Try
con.Open()
With cmd
.Connection = con
.CommandText = "INSERT INTO `activity log`.`details`(`id`, `Username`, `Description`, `Time`, `Date`) VALUES (NULL,'" & txtUsername.Text & "','" & txtDesc.Text & "','" & TextBox1.SelectedText & "', '" & TextBox2.SelectedText & "');"
result = cmd.ExecuteNonQuery
If result = 0 Then
MsgBox("Data has been inserted")
Else
MsgBox("Successfully saved")
End If
End With
Catch ex As Exception
MsgBox(ex.Message)
End Try
con.Close()
End Sub
'create time follow to current time and for record log
Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
TextBox1.Text = (Format(Now, "HH:mm:ss"))
End Sub
'create date for record log
Private Sub TextBox2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TextBox2.Click
TextBox2.Text = DateString
End Sub
Private Sub btnRead_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnRead.Click
con.ConnectionString = "server=localhost;user id=root;password=123456;database=activity log"
Try
con.Open()
With cmd
.Connection = con
.CommandText = "SELECT * FROM details"
End With
Catch ex As Exception
MsgBox(ex.Message)
End Try
con.Close()
ListDetails()
End Sub
Public Sub ListDetails()
Dim dr As MySqlDataReader
con.Open()
dr = cmd.ExecuteReader()
ListView1.Items.Clear()
'Dim
While dr.Read()
Dim new_item As New _
ListViewItem(dr.Item("id").ToString)
new_item.SubItems.Add(dr.Item("Username").ToString)
new_item.SubItems.Add(dr.Item("Description").ToString)
new_item.SubItems.Add(dr.Item("Time").ToString)
new_item.SubItems.Add(dr.Item("Date").ToString)
ListView1.Items.Add(new_item)
End While
con.Close()
End Sub
Private Sub btnClear_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnClear.Click
ListView1.Items.Clear()
txtUsername.Clear()
txtDesc.Clear()
End Sub
End Class