C#讀取Microsoft Access資料庫檔案
阿新 • • 發佈:2019-02-14
private void SelectData() { var connectionString = @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\Users\user\Documents\Visual Studio 2008\Projects\WindowsFormsApplication1\WindowsFormsApplication1\Data\MyData.mdb"; var oledbconnect = new OleDbConnection(connectionString); var sql = "select * from [User] "; var cmd = new OleDbCommand(sql, oledbconnect); oledbconnect.Open(); var oleadapt = new OleDbDataAdapter(cmd); var ds = new DataSet(); oleadapt.Fill(ds); this.dataGridView1.DataSource = ds.Tables[0]; cmd.Close(); oledbconnect.Close(); } public static int num = 11; private void AddData() { var connectionString = @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\Users\user\Documents\Visual Studio 2008\Projects\WindowsFormsApplication1\WindowsFormsApplication1\Data\MyData.mdb"; var oledbconnect = new OleDbConnection(connectionString); var sql = string.Format("insert into [User] values({0},'{1}',{2})", num++, "name" + num, num); var cmd = new OleDbCommand(sql, oledbconnect); oledbconnect.Open(); cmd.ExecuteNonQuery(); cmd.Clone(); oledbconnect.Close(); } C# 讀取 mdb 檔案資料