GridView Checkbox Value Convert to T/F?

I need to convert the standard checkbox value of true/false to T/F. I'm working on a database table with a string(1) column type. Only accepts T or F. Here's the code I have so far, still looking for more efficient way to convert.

   dr = dt.NewRow();
   dr[0] = gridView1.DataKeys[row.RowIndex]["id"].ToString();
   dr[1] = checkBox1.Checked.ToString().Replace("false", "F").Replace("true", "T");

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Lalit ChandraCommented:
you can do

  dr[1] = checkBox1.Checked ? "T" : "F";

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pointemanAuthor Commented:

Q. What do you call this kind of validation or string substitution called?
Lalit ChandraCommented:
This is normal c sharp  code.  This is Conditioanl/Ternary Operator.
You can know more from the below link

Hope this link will clear your view..
pointemanAuthor Commented:
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