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我有一個DataGridView,我打電話從phpMyAdmin的價值觀和我嘗試添加它的價值行,但是當我編輯的細胞1它得到相同的值從數據庫獲取價值並添加它的價值?
MySqlConnection conn = new MySqlConnection("datasource=localhost;port = 3306;username = root;password = ");
MySqlCommand comm = new MySqlCommand("select Fee,Amount from system.other_school_fees ;", conn);
MySqlDataAdapter ssda = new MySqlDataAdapter();
ssda.SelectCommand = comm;
DataTable ddbdataset = new DataTable();
ssda.Fill(ddbdataset);
BindingSource bbsource = new BindingSource();
bbsource.DataSource = ddbdataset;
dataGridView2.DataSource = bbsource;
ssda.Update(ddbdataset);
dataGridView2.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.AllCells;
int d = 0;
for (int b = 0; b < dataGridView2.Rows.Count; b++)
{
d += Convert.ToInt32(dataGridView2.Rows[b].Cells[1].Value);
}
lblOSF.Text = d.ToString();
W8它應該是 的MySqlConnection康恩=新的MySqlConnection( 「數據源=本地主機;端口= 3306;用戶名=根;密碼=」); MySqlCommand comm = new MySqlCommand(「select Miscellaneous_Fee,Amount from system.miscellaneoues;」,conn); – Damiel
編輯單元格後是否有任何代碼運行?不幸的是,它不會重新計算自己。 –