the data is not updated in the DataGrid ..? (error) I do not know what's wrong with sourcecode

Question

0.00/5 (No votes)

See more:

Imports System.Data.OleDb

Public Class Form1
Dim con As New OleDbConnection

Private Property TableAdapter As Object

Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
'TODO: This line of code loads data into the 'Database21DataSet.Table1' table. You can move, or remove it, as needed.
Me.Table1TableAdapter.Fill(Me.Database21DataSet.Table1)
Try
con.ConnectionString = "provider=microsoft.jet.oledb.4.0;data source=..\Database21.mdb"
con.Open()
showMyRecords()
con.Close()

Catch ex As Exception

End Try
End Sub
Public Sub showMyRecords()
Dim dt As New DataTable
Dim ds As New DataSet
ds.Tables.Add(dt)
Dim da As New OleDbDataAdapter("select * from Table1", con)
da.Fill(dt)

Dim myRow As DataRow
For Each myRow In dt.Rows

ListView1.Items.Add(myRow.Item(0))
ListView1.Items(ListView1.Items.Count - 1).SubItems.Add(myRow.Item(1))
ListView1.Items(ListView1.Items.Count - 1).SubItems.Add(myRow.Item(2))
ListView1.Items(ListView1.Items.Count - 1).SubItems.Add(myRow.Item(3))
ListView1.Items(ListView1.Items.Count - 1).SubItems.Add(myRow.Item(4))

Next
End Sub

Private Sub Button6_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button6.Click
Table1BindingSource.AddNew()

End Sub

Private Sub Button7_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button7.Click
TableAdapter.Update(Database21DataSet.Table1)

End Sub

Private Sub Button8_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button8.Click
Table1BindingSource.RemoveCurrent()

End Sub
End Class

Posted 13-Mar-14 13:08pm

M.Aprianto

Add a Solution

Comments

Sergey Alexandrovich Kryukov 13-Mar-14 20:12pm

Data Grid? Where is that? Which one? Full type name, please.
—SA

1 solution

Add a Solution

Add your solution here

Treat my content as plain text, not as HTML

Preview 0

…

Existing Members

Sign in to your account

...or Join us

Download, Vote, Comment, Publish.

Your Email
Password
Forgot your password?

Your Email
This email is in use. Do you need your password?
Optional Password

I have read and agree to the Terms of Service and Privacy Policy
Please subscribe me to the CodeProject newsletters

When answering a question please:

Read the question carefully.
Understand that English isn't everyone's first language so be lenient of bad spelling and grammar.
If a question is poorly phrased then either ask for clarification, ignore it, or edit the question and fix the problem. Insults are not welcome.
Don't tell someone to read the manual. Chances are they have and don't get it. Provide an answer or move on to the next question.

Let's work to help developers, not make them feel stupid.

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

Bacchus Beale · Answer 1 · 2014-03-13T14:36:00

I think you're missing BindingSource.EndEdit();

in my C# code I had a GridView but should work the same.

For update, I had:

C#

private void LoadLookupTable()
        {
            this.eventLookupTableAdapter.Fill(this.configDBDataSet.EventLookup);
            this.eventLookupBindingSource.DataSource = this.configDBDataSet.EventLookup;
        }

private void UpdateTable()
{
this.eventLookupBindingSource.EndEdit();
int n = this.eventLookupTableAdapter.Update(this.configDBDataSet.EventLookup);
this.LoadLookupTable();
}

For add and delete I accessed DataSet.DataTable.Rows.