DataSet 添加數(shù)據(jù)集、行、列、主鍵和外鍵等操作示例

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DataSet 添加數(shù)據(jù)集、行、列、主鍵和外鍵等操作示例

DataSet 添加數(shù)據(jù)集、行、列、主鍵和外鍵等操作示例:前臺(tái)代碼：html <%@ Page language=c# Codebehind=CodeUse.aspx.cs AutoEventWireup=false Inherits=DsAndXML.CodeUse %><!DOCTYPE HTML PUBLIC -//W3C//DTD HTML 4.0 Transiti

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導(dǎo)讀DataSet 添加數(shù)據(jù)集、行、列、主鍵和外鍵等操作示例:前臺(tái)代碼：html <%@ Page language=c# Codebehind=CodeUse.aspx.cs AutoEventWireup=false Inherits=DsAndXML.CodeUse %><!DOCTYPE HTML PUBLIC -//W3C//DTD HTML 4.0 Transiti

前臺(tái)代碼：html

@ Page language="c#" Codebehind="CodeUse.aspx.cs" AutoEventWireup="false" Inherits="DsAndXML.CodeUse" %>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >

<HTML>

<HEAD>

<title>CodeUse</title>

</HEAD>

<asp:button id="btnCreate" style="Z-INDEX: 100; LEFT: 31px; POSITION: absolute; TOP: 43px" runat="server" Height="36" Width="130" Text="創(chuàng)建數(shù)據(jù)集和數(shù)據(jù)表"></asp:button>

<asp:Button id="btnUpdateDs" style="Z-INDEX: 117; LEFT: 35px; POSITION: absolute; TOP: 439px" runat="server" Height="36px" Width="131px" Text="賦值"></asp:Button>

<asp:Label id="Label3" style="Z-INDEX: 112; LEFT: 352px; POSITION: absolute; TOP: 395px" runat="server">列號(hào):</asp:Label>

<asp:Label id="Label2" style="Z-INDEX: 111; LEFT: 209px; POSITION: absolute; TOP: 395px" runat="server">行號(hào)：</asp:Label>

<asp:Button id="btnUpdateMID" style="Z-INDEX: 107; LEFT: 37px; POSITION: absolute; TOP: 330px" runat="server" Height="36" Width="131" Text="修改MasterID"></asp:Button>

<asp:Button id="btnAddForeign" style="Z-INDEX: 106; LEFT: 35px; POSITION: absolute; TOP: 278px" runat="server" Height="36" Width="131" Text="添加外鍵"></asp:Button>

<asp:Button id="Button1" style="Z-INDEX: 105; LEFT: 31px; POSITION: absolute; TOP: 217px" runat="server" Height="36px" Width="130px" Text="添加唯一鍵"></asp:Button><asp:button id="btnAddRow" style="Z-INDEX: 102; LEFT: 31px; POSITION: absolute; TOP: 161px" runat="server" Height="36px" Width="130px" Text="添加行"></asp:button><asp:button id="btnAddColumn" style="Z-INDEX: 101; LEFT: 31px; POSITION: absolute; TOP: 102px" runat="server" Height="36px" Width="130px" Text="添加列"></asp:button><asp:datagrid id="dgMaster" style="Z-INDEX: 103; LEFT: 242px; POSITION: absolute; TOP: 40px" runat="server" Height="120px" Width="485px"></asp:datagrid><asp:datagrid id="dgChild" style="Z-INDEX: 104; LEFT: 240px; POSITION: absolute; TOP: 193px" runat="server" Height="111px" Width="479px"></asp:datagrid>

<asp:TextBox id="tbRow" style="Z-INDEX: 108; LEFT: 275px; POSITION: absolute; TOP: 395px" runat="server" Width="px"></asp:TextBox>

<asp:TextBox id="tbCol" style="Z-INDEX: 109; LEFT: 422px; POSITION: absolute; TOP: 395px" runat="server" Width="px"></asp:TextBox>

<asp:Label id="Label1" style="Z-INDEX: 110; LEFT: 520px; POSITION: absolute; TOP: 399px" runat="server">值：</asp:Label>

<asp:TextBox id="tbResult" style="Z-INDEX: 113; LEFT: 585px; POSITION: absolute; TOP: 394px" runat="server" Width="145px"></asp:TextBox>

<asp:Label id="Label4" style="Z-INDEX: 114; LEFT: 209px; POSITION: absolute; TOP: 344px" runat="server">表：</asp:Label>

<asp:DropDownList id="ddlTable" style="Z-INDEX: 115; LEFT: 277px; POSITION: absolute; TOP: 341px" runat="server">

<asp:ListItem Value="0">表一</asp:ListItem>

<asp:ListItem Value="1">表二</asp:ListItem>

</asp:DropDownList>

<asp:Button id="Button2" style="Z-INDEX: 116; LEFT: 35px; POSITION: absolute; TOP: 3px" runat="server" Height="36px" Width="131px" Text="求值"></asp:Button></FONT></form>

</body>

</HTML>

后臺(tái)代碼：cs

using System;

using System.Collections;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Web;

using System.Web.SessionState;

using System.Web.UI;

using System.Web.UI.WebControls;