Refer below link.

Populate Google API Bar chart from database and show bar colors based on value using jQuery in ASP.Net

Dear mr.dharmendr

Thanks for your help.

The Refenaces that you given me really helped me.

For information My problem was in type of column created in js.

if (i == 0)
  data.addColumn('string', r.d[0][i]); // for string 
else
  data.addColumn('number', parseInt(r.d[0][i])); // for number