how to get the check box value in datagridiview from the database using c#

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C#

I want to get the check box value in datagridview from the database.

In Database records as follows;

CourseCode  Days   Sess1             Sess2            Sess3          Sess4
  REO        1    checkboxchecked checkboxchecked checkboxchecked checkboxchecked

Design as follows;

Course code Combo box

Datagridview as follows;

Days          1                2                 3             4

 1      checkboxchecked checkboxchecked  checkboxchecked  checkboxchecked 

when i click the Course Code (REO) i want to check from the datbase for the course REO, how many days session are checked in the database.

for that how can I do using csharp.

I want to check from the database for the course selected in the combobox and display in to the datagridview.

Regards,

narasiman P.