【转】从TXT导入到dataGridView

public bool TextToDgv(string path) // 这个函数那里出错了? 
        { 
            System.Data.DataTable table1 = new System.Data.DataTable();//定义数据存放的表 
            StreamReader reader = new StreamReader(path,Encoding.Default); 
            string[] cols; 
            string[] row; 
            string tempdata;                  
            
            tempdata =(string) reader.ReadLine(); 
            tempdata = tempdata.Trim(); 
            if (tempdata == "") 
            { 
                MessageBox.Show("没东西啊"); 
                return false; 
            }            
            cols = tempdata.Split('\x20'); 
            for (int i = 0; i < cols.Length; i++)//添加列头 
            { 
                table1.Columns.Add(cols[i], typeof(string)); 
            } 
          
            try 
            { 
                while (reader.Peek() != -1)    //添加行          
                { 
                    System.Data.DataRow datarw = table1.NewRow(); 
                    tempdata = reader.ReadLine(); 
                    tempdata = tempdata.Trim(); 
                    row = tempdata.Split('\x20'); 
                    for (int i = 0; i < table1.Columns.Count; i++) 
                    { 
                        datarw[i] = row[i]; 
                    } 
                    table1.Rows.Add(datarw); 
                } 
                
            } 
            catch (Exception ex) 
            { 
              MessageBox.Show(ex.Message); 
            } 
            dataGridView.DataSource = table1;//将表与dataGridView绑定 
            return true;    
        }