小编shu*_*ing的帖子

整数的大小取决于什么？

C中的int变量的大小是否依赖于机器或编译器？

如何将postgreSql中的"timestamp with time zone"数据类型映射到System.Data.DbType 我需要传递参数,因为它将转到具有"timestamp with time zone"的列

以下是我的代码:

var pOrderDate = cmdOrder.CreateParameter();
pOrderDate.ParameterName = "OrderDate";
pOrderDate.DbType = System.Data.DbType.DateTime;
pOrderDate.Value = objOrder.OrderDate;
cmdOrder.Parameters.Add(pOrderDate);

以下行导致问题:

pOrderDate.DbType = System.Data.DbType.DateTime;

我绑定GridView就像 -

namespace grid_edit
{
    public partial class _Default : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            SqlConnection con = new SqlConnection();
            con.ConnectionString = "Data source=HP_OWNER\\SQLEXPRESS;Database=demo;Integrated security=true";
            con.Open();
            SqlCommand cmd = new SqlCommand("select * from demo", con);
            cmd.ExecuteNonQuery();
            SqlDataAdapter mySqlAdapter = new SqlDataAdapter(cmd);
            DataSet myDataSet = new DataSet();
            mySqlAdapter.Fill(myDataSet);
            DataTable myDataTable = myDataSet.Tables[0];
            GridView1.DataSource = myDataTable;
            GridView1.DataBind();
            Session["mytable"] = myDataTable;


        }
        protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)
        {
            GridView1.EditIndex = e.NewEditIndex;
            GridView1.DataBind();

        }       

        protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs …

如何将方法重载视为c#中的静态多态？