一定需要
SqlCommandBuilder(sda)
SqlDataAdapter sda = new SqlDataAdapter("select * from Student", conn);
SqlCommandBuilder scb = new SqlCommandBuilder(sda);
DataSet ds = new DataSet();
sda.Fill(ds);
dataGridView1.DataSource = ds.Tables[0];
DataRow dr = ds.Tables[0].NewRow();
dr["id"] = 2013;
dr["name"] = "劉念";
dr["course"] = "高等數學";
dr["score"] = 100;
ds.Tables[0].Rows.Add(dr);
sda.Update(ds);
ds.AcceptChanges();
Txt檔案從c#上傳到資料庫
_2018DB db = new _2018DB();
string path = "D:/code/2017 研究所學生複試/patient.txt";
StreamReader sr = new StreamReader(path,Encoding.UTF8);
string line = "";
while (sr.Peek() != -1)
{
line = sr.ReadLine();
//控制台顯示
Debug.WriteLine(line);
string[] arr=line.Split(' ');
db.update(string.Format("insert into Patient values({0},'{1}','{2}',{3})",arr[0],arr[1],arr[2],arr[3]));
}
MessageBox.Show("添加成功");
db為自定義的資料庫幫助類
成功