asp.net tips for a solution that is already part of another table _ Practical tips

Copy Code code as follows:

DataTable dt = new DataTable ();
DT = ds. Tables["All"]. Clone ()///Cloning all structure passed to DT
Datarow[] dr=this.dataset31.tables["Product". Select ("Bc=1"); Get the line that meets the criteria by condition
for (int i=0;i<dr. length;i++)
{
Add array elements to table ...
Dt. Rows.Add (Dr[i]);//Error prompt: The row already belongs to another table
}

Solving method

Copy Code code as follows:

Dt. Rows.Add (Dr[i]. ItemArray);