1//Create the connection and sql to be executed 2string strConnTxt = "Server=(local);Database=Northwind;Integrated Security=True;"; 3string strSql = "select * from Products where categoryid = 1" 4 5//Create and open the connection object 6SqlConnection objConn = new SqlConnection(strConnTxt); 7objConn.Open(); 8 9//Create the connamd object 10SqlCommand objCmd = new SqlCommand(strSql, objConn); 11objCmd.CommandType = CommandType.Text; 12 13//databind the datagrid by calling the ExecuteReader() method 14DataGrid1.DataSource = objCmd.ExecuteReader(); 15DataGrid1.DataBind(); 16 17//close the connection 18objConn.Close();如果用微軟封裝的Data Access Application Block, 其主要是sqlHelper類,代碼如下: 1//Create the connection string and sql to be executed 2string strSql = "select * from products where categoryid = 1"; 3string strConnTxt = "Server=(local);Database=Northwind;Integrated Security=True;"; 4 5DataGrid1.DataSource = SqlHelper.ExecuteReader(strConnTxt, CommandType.Text, strSql); 6DataGrid1.DataBind(); 2. 調(diào)用存儲過程進(jìn)行控件綁定 常規(guī)代碼如下:
1//Open a connection to Northwind 2SqlConnection objConn = new SqlConnection("Server=(local);Database=Northwind;Integrated Security=True;"); 3ObjConn.Open(); 4 5//Create the stored procedure command object 6SqlCommand objCmd = new SqlCommand("getProductsCategory", objConn); 7objCmd.CommandType = CommandType.StoredProcedure; 8 9//create the parameter object for the stored procedure parameter 10objCmd.Parameter.Add("@CategoryID", SqlDbType.Int); 11objCmd.Parameter["@CategoryID"].Value = 1; 12 13//create our DataAdapter and DataSet objects 14SqlDataAdapter objDA = new SqlDataAdapter(objCmd); 15DataSet objDS = new DataSet("Category_Results"); 16 17//fill the dataset 18objDA.Fill(objDS); 19 20//databind the datagrid 21DataGrid1.DataSource = objDS; 22DataGrid1.DataBind(); 23 24//close connection 25objConn.Close();如果用微軟封裝的Data Access Application Block,其主要是sqlHelper類,代碼如下: 1string strConn = "Server=(local);Database=Northwind;Integrated Security=True;"; 2DataSet objDS = SqlHelper.ExecuteDataset(strConn, CommandType.StoredProcedure, "getProductsByCategory", new SqlParameter("@CategoryID", 1)); 3 4DataGrid1.DataSource = objDS; 5DataGrid1.DataBind(); Data Access Application Block, 有其封裝的源代碼和幫助文件,我們也可以根據(jù)項目需求做一下改動再編譯成dll引入項目,以給項目開發(fā)帶來便利. 下載地址如下: http://download.microsoft.com/download/VisualStudioNET/daabref/RTM/NT5/EN-US/DataAccessApplicationBlock.msi
