表1:student 截圖如下:表2:course 截圖如下:(此時這樣建表只是為了演示連接SQL語句,當然實際開發中我們不會這樣建表,實際開發中這兩個表會有自己不同的主鍵。)一、外連接外連接可分為:左連接、右連接、完全外連接。1、左連接 left join 或 left outer joinSQL語句…
錯誤頁 <script language="javascript" type="text/javascript"> var i = 5; var intervalid; intervalid = setInterval("fun()", 1000); function fun() { ...
發送郵件Xiaobin.Utility.Tool.SendMail("郵件標題", "郵件內容", "收件人", "發件人", "發件用戶名", "發件密碼", "smtp.qq.com");Utility.Tool.Alert("密碼已經發送到您的郵箱中,請注意查收。…
上傳文件 try{string proimg = Utility.Tool.Upload(fuimg, new string[] { ".jpg",".png",".gif",".bmp" }, 1, Server.MapPath("/upload/")); imgYL.ImageUrl = "/upload/" +...
遞歸綁定ddl private void BindDDLCA() //在Page_load中加上 { ddlca.Items.Clear(); ddlca.Items.Insert(0, new ListItem("請選擇分類...", "0")); List<Model.Category&g...
Page_Load中獲取CheckBoxList值ListItem li = radsex.Items.FindByValue(model.sex.ToString());if (li != null){li.Selected = true;}Page_Load中獲取DropDownList值li = ddlprovince.Items.FindByValue(model.province);ddlprovince.ClearSelec...
1、導入jQuery.js代碼<asp:TextBox ID="txtname" onblur="checkUsername(this.value);" class="txt" runat="server"></asp:TextBox><br /><span id="mes_username" s...
//判斷用戶名if (!Regex.IsMatch(name, @"^[a-zA-Z0-9]{6,20}$")){Utility.Tool.Alert("用戶名長度必須大于6個字符小于20個字符", this.Page);return;}
<webdiyer:AspNetPager ID="anp" runat="server" CssClass="pages" CurrentPageButtonClass="cpb" CustomInfoHTML="總共%RecordCount%條記錄,當前為%CurrentPageIndex%/%PageCount%頁"...
alter table test_table add id int identity primary key
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