To set or get the value of a progressbar in ProgressBar style cell, or the value of a checkbox in a checkbox cell then use the Value property.
This property has effect on the following cell types only:
ProgressBar cells:
Sets or gets the value of the ProgressBar.
CheckBoxCells and SmallCheckBox cells:
Sets or gets the checkstate value. This can also be set with the
Checked property, except the Checked property can only set it
to Checked or Unchecked.
Possible values:
0 - Unchecked
1 - Checked
2 - Mixed State.