conObj = new OleDbConnection();
            conObj.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;" + @"Data source=d:\My Documents\db1.mdb";
try
            {
                conObj.Open();
                string str = "Insert into students values ('" + textBox1 + "','" + textBox2 + "','" + textBox3 + "','" + textBox4 + "')";
                string strSelect = "Select*from students";
                this.cmdObj = new OleDbCommand(str, conObj);
                adObj = new OleDbDataAdapter(strSelect, conObj);
                adObj.InsertCommand = cmdObj;
                DataSet setObj = new DataSet();
                adObj.Fill(setObj, "students");
                DataTable tableObj = setObj.Tables[0];
                DataRow newRow = tableObj.NewRow();
                newRow["学生编号"] = textBox1.Text;
                newRow["名字"] = textBox2.Text;
                newRow["学历"] = textBox3.Text;
                newRow["电话号码"] = textBox4.Text;
                tableObj.Rows.Add(newRow);
                adObj.Update(setObj, "students");
                setObj.AcceptChanges();
                MessageBox.Show("保存成功");
            }
为什么我插入的数据11111 而真正插入数据库中的是System.Windows.Forms.TextBox, Text: 11111 呢 这System.Windows.Forms.TextBox, Text: 都是什么啊? 
 我该怎么改啊?
 

 
											





 
	    



