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Cell Count in a DataGrid

Posted on 2008-06-16
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Last Modified: 2008-06-16
Is there a way to get the count of cells in a datagrid?

To get the rows this works:

dgTest.Items.Count

But is there a way to count the number of cells in each row?
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Question by:j-w-thomas
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7 Comments
 
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prairiedog earned 2000 total points
ID: 21797637
dgTest.Columns.Count
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by:j-w-thomas
ID: 21797727
That's great, but when I tested it, I realized that I needed one other thing.

I am using the "EDIT" function in a datagrid and I wanted to count the number of textboxxes that are in each row.

Sorry, I did not express that better first. I don't know if that is possible or not...

Thanks,

John
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Expert Comment

by:prairiedog
ID: 21797778
Are those textboxes dynamically created?
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Author Comment

by:j-w-thomas
ID: 21797826
yes, using:

<asp:EditCommandColumn runat="server" CancelText="Cancel"
                                                    UpdateText="Update" EditText="Edit" />

When Edit is clicked the textboxes are created and trhe page is refreshed with the values of each cell are in each tectbox.

What I was hoping to do was to loop through each textbox before updating the info and validate the user's edits.

Does that make sense??
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LVL 22

Expert Comment

by:prairiedog
ID: 21797945
In this case, you already know the number of textboxes, because basically each editable cell will become a textbox for editing. As far as validation is concerned, it is better not to loop through all textboxes, but do is this way in your event handler that handles update:
dim txt1 as textbox = ctype(row.Cells(0).Controls(0), TextBox)
dim txt2 as textbox = ctype(row.cells(1).Controls(0), TextBox)
dim txt3 as textbox = ctype(row.cells(2).Controls(0), TextBox)
Then do the validation for each textbox. I assume the textboxes above are in column 1, 2,and 3 respecitvly.
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LVL 3

Author Comment

by:j-w-thomas
ID: 21797984
Yes, my motive was to create a page that would programitcally adjust to an additional cell...

intCount = 0

dim txt1 as textbox = ctype(row.Cells(intCount).Controls(0), TextBox)

Then I could loop through it to create a variable for each one...the idea being if I add a column to the db I would not need to adjust the code.

I am probably dreaming in color, true??

I use the type of example you suggested already, I was hoping to add some steroids to it and make it self-adjusting...

Possible?

Worth while?
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Author Comment

by:j-w-thomas
ID: 21798238
I assume the answer is no...

I appreciate your time though...

Thanks
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