取出datatable中I行的值和取出datatable中行数

取出datatable中I行的值

                      string columnvalue = dt.Rows[i][0].ToString();
                      string columnvalue1 = dt.Rows[i][1].ToString();

 

 

统计datatable行数

int k = dt.Rows.Count;

 

 

统计datagridview行数

int k = dataGridView1.Rows.Count;