如何将按钮单击链接到数据源以运行存储过程

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我已经想出了如何创建下拉框，将它们链接到它们各自的数据源，以及创建链接到存储过程的数据源。我不知道如何将按钮链接到数据源，以便在单击时运行存储过程。我与2017年VS如何将按钮单击链接到数据源以运行存储过程

工作的HTML标记：

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="ChangeShiftStat.aspx.cs" Inherits="Default2" %> 
<!DOCTYPE html> 
<html xmlns="http://www.w3.org/1999/xhtml"> 
<head runat="server"> 
    <title></title> 
</head> 
<body> 
    <form id="form1" runat="server"> 
    <div> 

    &nbsp; Shift&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
     <asp:DropDownList ID="DropDownList1" runat="server" AutoPostBack="True" DataSourceID="ShiftDataSource" DataTextField="Shift" DataValueField="Shift"> 
     </asp:DropDownList> 
     <br /> 
     <br /> 
&nbsp; New Status&nbsp;&nbsp;&nbsp; 
     <asp:DropDownList ID="DropDownList2" runat="server" AutoPostBack="True" DataSourceID="StatusDataSource" DataTextField="Status" DataValueField="Status"> 
     </asp:DropDownList> 
     <br /> 
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
     <br /> 
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 
     <asp:Button ID="Button1" runat="server" Text="Change Status" /> 
     <asp:SqlDataSource ID="ShiftDataSource" runat="server" ConnectionString="<%$ ConnectionStrings:TheBoardConnectionString %>" SelectCommand="SELECT * FROM [Shifts]"></asp:SqlDataSource> 
     <asp:SqlDataSource ID="StatusDataSource" runat="server" ConnectionString="<%$ ConnectionStrings:TheBoardConnectionString %>" SelectCommand="SELECT * FROM [Statuses]"></asp:SqlDataSource> 
     <asp:SqlDataSource ID="RunSP" runat="server" ConnectionString="<%$ ConnectionStrings:TheBoardConnectionString %>" SelectCommand="changeshiftstat" SelectCommandType="StoredProcedure"> 
      <SelectParameters> 
       <asp:ControlParameter ControlID="DropDownList1" Name="Shift" PropertyName="SelectedValue" Type="String" /> 
       <asp:ControlParameter ControlID="DropDownList2" Name="NewStat" PropertyName="SelectedValue" Type="String" /> 
      </SelectParameters> 
     </asp:SqlDataSource> 
    </div> 
    </form> 
</body> 
</html>

C＃代码：

using System; 
using System.Collections.Generic; 
using System.Linq; 
using System.Web; 
using System.Web.UI; 
using System.Web.UI.WebControls; 

public partial class Default2 : System.Web.UI.Page 
{ 
    protected void Page_Load(object sender, EventArgs e) 
    { 
    } 
}

来源

2017-05-27 Gene Wilson