Visual Basic

Private Sub Button1_Click(..) Handles Button1.Click
Dim dec as Decimal = TextBox2.Text
dec+=1
TextBox2.Text = dec
End Sub

Ishaan Karnik wrote:

(1) I am using LINQ command to delete an entry from database in my application. After the code block is executed that particular entry is deleted from database however the binding navigator control or my application doesnot acknolodge the change. I tried to acknolodge the change by refreshing and/or updating the form and/or control.

Ishaan Karnik wrote:

(2) I also want to how to count total number of entries present in the database and the index of the current selected entry dynamically. After deleting or adding an entry the change is not acknolodged.

Ishaan Karnik wrote:

(3) I am doing a hardware project where I use a service which when activated will get my COM port(serial port) in passive open state. I am achieving this by creating a infinite for loop. However by doing this whenever my I start the service I am not able to use rest of application.

Ishaan Karnik wrote:

I plan to use one thread for the service but don't know if I should use thread for other elements.

Ishaan Karnik wrote:

I have a doubt if the signal arrives when the thread is not in focus then would the signal be lost.

private void button1_Click(object sender, EventArgs e)
{
    for (int i = 0; i < 4000; i++)
        this.listBox1.Items.Add(i.ToString());
}