<configuration>
<!-- application specific settings -->
<appSettings>
<add key="ConnectionString" value="server=localhost;uid=sa;pwd=;database=store" />
</appSettings>
<configuration>
public SqlDataReader GetReviews(int productID) {
// 创建Connection和Command对象实例
SqlConnection myConnection = new SqlConnection(ConfigurationSettings.AppSettings["ConnectionString"]);
SqlCommand myCommand = new SqlCommand("ReviewsList", myConnection);
myCommand.CommandType = CommandType.StoredProcedure;
// 参数
SqlParameter parameterProductID = new SqlParameter("@ProductID", SqlDbType.Int, 4);
parameterProductID.Value = productID;
myCommand.Parameters.Add(parameterProductID);
// 执行
myConnection.Open();
SqlDataReader result = myCommand.ExecuteReader(CommandBehavior.CloseConnection);
// 返回结果
return result;
}