增

using (SqlConnection cn = new SqlConnection(ConfigurationManager.AppSettings["DGE_DBConn"]))
        {
            cn.Open();

            // 括号中的Date换城 @GETDATE() 可直接对数据库存储现在的时间

            string sql = "INSERT INTO [Demo1](Date, Matter, MainContent, Supervision, result) VALUES (@Date, @Matter, @MainContent, @Supervision, @result)";
            SqlCommand cm = new SqlCommand(sql, cn);
            cm.Parameters.Add("@Date", SqlDbType.DateTime);
            cm.Parameters.Add("@Matter", SqlDbType.NVarChar);
            cm.Parameters.Add("@MainContent", SqlDbType.NVarChar);
            cm.Parameters.Add("@Supervision", SqlDbType.NVarChar);
            cm.Parameters.Add("@result", SqlDbType.NVarChar);
            //强制转换Convert.ToDateTime(TextBox1.Text.Trim().ToString());       
            //DateTime.Now(现在的时间)
            cm.Parameters["@Date"].Value = (new DateTime(2016, 1, 1));
            cm.Parameters["@Matter"].Value = "1月6日中交城投城综事业部领导莅临总项目部调研";
            cm.Parameters["@MainContent"].Value = "对全线现场施工安全质量及内业资料进行检查";
            cm.Parameters["@Supervision"].Value = "开工条件及施工日常管理";
            cm.Parameters["@result"].Value = "生产符合“常态化”";

            cm.ExecuteNonQuery();
            cn.Close();
        }

查

        using (SqlConnection cn = new SqlConnection(ConfigurationManager.ConnectionStrings["NMXT_DBConn"].ConnectionString))
        {
            string sql = "SELECT * FROM [Demo1] WHERE Id = 2";

            SqlDataAdapter da = new SqlDataAdapter(sql, cn);
            DataSet ds = new DataSet();
            da.Fill(ds);
            Session["DebugView"] = ds;

        }