In below posted pictures have the data of Numeric sorted and grouped
But its showing not in number order
Give us code or sample how to group and sort them in number wise as like Tool # 1,2,3..
The data appears to be sorted as text, so I suspect your column's DataType is not numeric, but is a string.
The best way to solve a problem like this is to store your numeric values in a numeric data type and not to use string. Using strings will create all sorts of problems with filtering and sorting like you are experiencing here.
The other option is to use a SortComparer on the column.