You are right drew.haley. The reason was what you said, and was fixed. Thanks.

I'm having this really annoying problem. I can't add new items to a existing project anymore. I have been adding new items to this project all the time, suddenly it won't allow me to do that. I add a...

I have a very interesting question here.
DataGridView1 is for data input and display, I set its editmode to onkeystroke. When the current cell is NOT in edit mode, click mouse right button will...

Hi, in datagridview, type in "this is the first line", if you press "enter" and type "this is the second line",it finishes editing the current cell and go to the cell right below it, and put "this is...

I am working on a vb.net windows application, I need put a excel-like table on a panel, I need to be able to edit this table the same way as I manipulate a excel table, TableLayoutPanel seems not...

I know how to do it now, instead of set focus Form_Load event, set it in Form_Activated event, because no Controls are visible at Form_Load and hence focus cannot be set. Still don't know why the...

Wayne, I just double checked, form2 is actually very simple, just one textbox, 1 label and 2 buttons, I did set tabIndex of the textbox to 0 and it is the only one in this form whose tabIndex is 0....

Thanks, Wayne.

What I want to do is:
click on button1 in form1---> loads form2 ---->set focus to a textbox1 in form2 and show IBeam Cursor there.

I tried textbox1.Focus() in Load, but it only do it for the...

I need to replace the selected item in ListBox with the the input text in a TextBox, listbox1.SelectedItem = textbox1.Text
doesn't do that. Do I have to remove the selected one and...

Currently, I set all the items that fit the condition to selected by setting the item's Selected property to true, and my listview enables multiselect. The problem is when the use single click or...

I tried similar way, instead of swapping images, I changed the item's backcolor, there is problem too. For example, one list item meets the condition, so its backcolor is set to certain color by...

I have a ListView showing all the words from a file, the code is checking these words all the time to see whether they meet certain condition, or so, I would like the checkbox of that list item...