data table cell math

Question

I am very new to the whole thing of C# and would tremendously appreciate your wisdom on this: I am making a game-like thing that needs to store and constantly update a database for a population of people.

Currently I am trying to create a DataTable dt;

Add columns dt.Colums.Add("age", typeof(int));

Add rows dt.Rows.Add(10);

Now I would like to dynamically adjust the content of the cell which holds the age int value of 10 to 11.

I try to dt.Rows[0]["age"] += 1;

However, I get the following:

Error CS0266 Cannot implicitly convert type 'object' to 'int'. An explicit conversion exists (are you missing a cast?)

I am rather confused on why the "cell" returns an object rather than an int. How would it be possible to do math operations directly with the contents of the cell?

Answer 1

Here dt.Rows[0]["age"] is an object and not Integer type so Operator '+=' cannot be applied to operands of type 'object' and 'int' Try this,

        dt.Rows[0]["age"] = Convert.ToInt16(dt.Rows[0]["age"]) + 1;