c# - datatable if one field is null set another value

Question

I have a Datatable.

using (DataSet ds = new DataSet())
{
    da.Fill(ds);
    dt = ds.Tables[0];
}

The dt , return list of data like this,

From this image, when UserId is DBnull then I want to set docCount equl to 0. How can I do that?

Answer 1

You could try something like this:

dt = ds.Tables[0];
foreach(DataRow row in dt.Rows)
{
   if(row["userId"] == DBNull.Value)
   {
       row["docCount"] = 0;
   }
}