DataTable dt = new DataTable();
dt.Columns.Add(""); //添加标题
while (!sr.EndOfStream)
{
string[] items = sr.ReadLine().Split();
DataRow row = dt.NewRow();
row[""] = items[0];
row[""] = items[1];
row[""] = items[2];
row[""] = items[3];
row[""] = items[4];
row[""] = items[5];
dt.Rows.Add(row);
}
dataGridView1.DataSource = dt;
通过循环添加