Sql Listview未使用下拉列表值更新数据状态
当我从下拉列表中编辑Listview中的项目并按下标准更新按钮时，数据不会更新 这是我数据库的结构Sql Listview未使用下拉列表值更新数据状态,sql,asp.net,listview,dropdownlistfor,Sql,Asp.net,Listview,Dropdownlistfor,当我从下拉列表中编辑Listview中的项目并按下标准更新按钮时，数据不会更新 这是我数据库的结构 CREATE TABLE [dbo].[Assets] ( [AssetID] [INT] IDENTITY(20000,1) PRIMARY KEY NOT NULL, [Asset] NVARCHAR(20) NOT NULL,
CREATE TABLE [dbo].[Assets]
(
[AssetID] [INT] IDENTITY(20000,1) PRIMARY KEY NOT NULL,
[Asset] NVARCHAR(20) NOT NULL,
[Symbol] NVARCHAR(20) NULL,
[AssetType] NVARCHAR(20) CONSTRAINT chk_asttype CHECK (assettype IN ('Currencies',
'Indices',
'Stocks',
'Commodities')) NOT NULL,CREATE TABLE[dbo].[times]
(
timeid [INT] IDENTITY(20010,1) PRIMARY KEY NOT NULL,
timevalues NVARCHAR (15) DEFAULT '15 Minutes' NOT NULL
)CREATE TABLE [dbo].[results]
(
[resultid] [INT] IDENTITY(20016,1) PRIMARY KEY NOT NULL,
[result] [NVARCHAR](10)CONSTRAINT chk_result CHECK (result IN ('Won',
'Lost',
'Draw',
'Prepare',
'New Signal'))
)CREATE TABLE [dbo].[binarysignals]
(
[signalid] [INT] IDENTITY(30000,1) PRIMARY KEY NOT NULL,
[assetid] [INT]CONSTRAINT fk_binastid FOREIGN KEY REFERENCES assets(assetid) NOT NULL,
[signaldate][DATE] DEFAULT Getdate() NOT NULL,
[direction][VARCHAR](4) CONSTRAINT chk_bindirection CHECK (direction IN ('Call',
'Put')) DEFAULT NULL,
[strikeprice] [SMALLMONEY] DEFAULT NULL,
[expiryprice] [SMALLMONEY] DEFAULT NULL,
[starttime][SMALLDATETIME] DEFAULT NULL,
[expirytime][NVARCHAR](20) DEFAULT NULL,
[resultid] [INT]CONSTRAINT fk_binresid FOREIGN KEY REFERENCES results(resultid) DEFAULT 20016 NOT NULL,
[lastupdatedtime][SMALLDATETIME] DEFAULT Getdate() NOT NULL,
)
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="WebApplication1.WebForm1" %>
<script src="Scripts/jquery-1.9.1.min.js"></script>
$(document).ready(function () {
ShowTime();
});
function ShowTime() {
var dt = new Date();
document.getElementById("lblTime").innerHTML = dt.toLocaleTimeString();
window.setTimeout("ShowTime()", 1000);
}
<div>
<label id="lblTime" style="font-weight: bold"></label>
<br />
<asp:SqlDataSource ID="BO" runat="server" ConnectionString="<%$ ConnectionStrings:Signals2UConnectionString %>"
DeleteCommand="DELETE FROM [BinarySignals] WHERE [SignalID] = @SignalID" InsertCommand="INSERT INTO [BinarySignals] ([AssetID]) VALUES (@AssetID)" SelectCommand="SELECT [SignalID], BinarySignals.AssetID ,[Asset], [SignalDate], [Direction], [StrikePrice], [ExpiryPrice], [StartTime], [ExpiryTime], [Result],Results.ResultID FROM [BinarySignals]
INNER JOIN Assets On BinarySignals.AssetID=Assets.AssetID
INNER JOIN Results On BinarySignals.ResultID=Results.ResultID
ORDER BY BinarySignals.AssetID DESC"
UpdateCommand="UPDATE [BinarySignals] SET [AssetID] = @AssetID, [SignalDate] = @SignalDate, [Direction] = @Direction, [StrikePrice] = @StrikePrice, [ExpiryPrice] = @ExpiryPrice, [StartTime] = @StartTime, [ExpiryTime] = @ExpiryTime, [ResultID] = @ResultID WHERE [SignalID] = @SignalID">
<DeleteParameters>
<asp:Parameter Name="SignalID" Type="Int32" />
</DeleteParameters>
<InsertParameters>
<asp:Parameter Name="AssetID" Type="Int32" />
</InsertParameters>
<UpdateParameters>
<asp:Parameter Name="AssetID" Type="Int32" />
<asp:Parameter DbType="Date" Name="SignalDate" />
<asp:Parameter Name="Direction" Type="String" />
<asp:Parameter Name="StrikePrice" Type="Decimal" />
<asp:Parameter Name="ExpiryPrice" Type="Decimal" />
<asp:Parameter Name="StartTime" Type="DateTime" />
<asp:Parameter Name="ExpiryTime" Type="String" />
<asp:Parameter Name="ResultID" Type="Int32" />
<asp:Parameter Name="SignalID" Type="Int32" />
</UpdateParameters>
</asp:SqlDataSource>
<asp:SqlDataSource ID="Results" runat="server" ConnectionString="<%$ ConnectionStrings:Signals2UConnectionString %>" SelectCommand="SELECT [Result], [ResultID] FROM [Results]"></asp:SqlDataSource>
<asp:ListView ID="ListView1" runat="server" DataSourceID="BO" GroupItemCount="3" InsertItemPosition="LastItem">
<AlternatingItemTemplate>
<td id="Td1" runat="server" style="">SignalID:
<asp:Label ID="SignalIDLabel" runat="server" Text='<%# Eval("SignalID") %>' />
<br />
Asset:
<asp:Label ID="AssetLabel" runat="server" Text='<%# Eval("Asset") %>' />
<br />
SignalDate:
<asp:Label ID="SignalDateLabel" runat="server" Text='<%# Eval("SignalDate","{0:yyyy-MM-dd}") %>' />
<br />
Direction:
<asp:Label ID="DirectionLabel" runat="server" Text='<%# Eval("Direction") %>' />
<br />
StrikePrice:
<asp:Label ID="StrikePriceLabel" runat="server" Text='<%# Eval("StrikePrice") %>' />
<br />
ExpiryPrice:
<asp:Label ID="ExpiryPriceLabel" runat="server" Text='<%# Eval("ExpiryPrice") %>' />
<br />
StartTime:
<asp:Label ID="StartTimeLabel" runat="server" Text='<%# Eval("StartTime") %>' />
<br />
ExpiryTime:
<asp:Label ID="ExpiryTimeLabel" runat="server" Text='<%# Eval("ExpiryTime") %>' />
<br />
Result:
<asp:Label ID="ResultLabel" runat="server" Text='<%# Eval("Result") %>' />
<br />
ResultID:
<asp:Label ID="ResultIDLabel" runat="server" Text='<%# Eval("ResultID") %>' />
<br />
<asp:Button ID="EditButton" runat="server" CommandName="Edit" Text="Edit" />
<br />
</td>
</AlternatingItemTemplate>
<EditItemTemplate>
<td id="Td2" runat="server" style="">SignalID:
Asset:
<asp:TextBox ID="AssetTextBox" runat="server" ReadOnly="true" Text='<%# Bind("Asset") %>' />
<br />
SignalDate:
<asp:TextBox ID="SignalDateTextBox" runat="server" Text='<%# Bind("SignalDate") %>' />
<br />
Direction:
<asp:TextBox ID="DirectionTextBox" runat="server" Text='<%# Bind("Direction") %>' />
<br />
StrikePrice:
<asp:TextBox ID="StrikePriceTextBox" runat="server" Text='<%# Bind("StrikePrice") %>' />
<br />
ExpiryPrice:
<asp:TextBox ID="ExpiryPriceTextBox" runat="server" Text='<%# Bind("ExpiryPrice") %>' />
<br />
StartTime:
<asp:TextBox ID="StartTimeTextBox" runat="server" Text='<%# Bind("StartTime") %>' />
<br />
ExpiryTime:
<asp:TextBox ID="ExpiryTimeTextBox" runat="server" Text='<%# Bind("ExpiryTime") %>' />
<br />
Result:
<asp:DropDownList ID="DropDownList4" runat="server" DataSourceID="Outcome" DataTextField="Result" DataValueField="ResultID" SelectedValue='<%#Bind("ResultID") %>'></asp:DropDownList>
<br />
<asp:Button ID="UpdateButton" runat="server" CommandName="Update" Text="Update" />
<br />
<asp:Button ID="CancelButton" runat="server" CommandName="Cancel" Text="Cancel" />
<br />
</td>
</EditItemTemplate>
<EmptyDataTemplate>
<table id="Table1" runat="server" style="">
<tr>
<td>No data was returned.</td>
</tr>
</table>
</EmptyDataTemplate>
<EmptyItemTemplate>
<td id="Td3" runat="server" />
</EmptyItemTemplate>
<GroupTemplate>
<tr id="itemPlaceholderContainer" runat="server">
<td id="itemPlaceholder" runat="server"></td>
</tr>
</GroupTemplate>
<InsertItemTemplate>
<td id="Td4" runat="server" style="">Asset:
<asp:DropDownList ID="DropDownList3" runat="server" DataSourceID="Assets" DataTextField="Asset" DataValueField="AssetID" AutoPostBack="True" SelectedValue='<%# Bind("AssetID") %>'>
</asp:DropDownList>
<br />
SignalDate:
<asp:Label ID="SignalDateLabel" runat="server" Text='<%# Bind("SignalDate") %>' />
<br />
Direction:
<asp:TextBox ID="DirectionTextBox" runat="server" Text='<%# Bind("Direction") %>' />
<br />
StrikePrice:
<asp:TextBox ID="StrikePriceTextBox" runat="server" Text='<%# Bind("StrikePrice") %>' />
<br />
ExpiryPrice:
<asp:TextBox ID="ExpiryPriceTextBox" runat="server" Text='<%# Bind("ExpiryPrice") %>' />
<br />
StartTime:
<asp:TextBox ID="StartTimeTextBox" runat="server" Text='<%# Bind("StartTime") %>' />
<br />
ExpiryTime:
<asp:TextBox ID="ExpiryTimeTextBox" runat="server" Text='<%# Bind("ExpiryTime") %>' />
<br />
Result:
<asp:TextBox ID="ResultTextBox" runat="server" Text='<%# Bind("Result") %>' />
<br />
<asp:Button ID="InsertButton" runat="server" CommandName="Insert" Text="Insert" />
<br />
<asp:Button ID="CancelButton" runat="server" CommandName="Cancel" Text="Clear" />
<br />
</td>
</InsertItemTemplate>
<ItemTemplate>
<td id="Td5" runat="server" style="">SignalID:
<asp:Label ID="SignalIDLabel" runat="server" Text='<%# Eval("SignalID") %>' />
<br />
Asset:
<asp:Label ID="AssetLabel" runat="server" Text='<%# Eval("Asset") %>' />
<br />
SignalDate:
<asp:Label ID="SignalDateLabel" runat="server" Text='<%# Eval("SignalDate","{0:yyyy-MM-dd}") %>' />
<br />
Direction:
<asp:Label ID="DirectionLabel" runat="server" Text='<%# Eval("Direction") %>' />
<br />
StrikePrice:
<asp:Label ID="StrikePriceLabel" runat="server" Text='<%# Eval("StrikePrice") %>' />
<br />
ExpiryPrice:
<asp:Label ID="ExpiryPriceLabel" runat="server" Text='<%# Eval("ExpiryPrice") %>' />
<br />
StartTime:
<asp:Label ID="StartTimeLabel" runat="server" Text='<%# Eval("StartTime") %>' />
<br />
ExpiryTime:
<asp:Label ID="ExpiryTimeLabel" runat="server" Text='<%# Eval("ExpiryTime") %>' />
<br />
Result:
<asp:Label ID="ResultLabel" runat="server" Text='<%# Eval("Result") %>' />
<br />
ResultID:
<asp:Label ID="ResultIDLabel" runat="server" Text='<%#Eval("ResultID") %>' />
<br />
<asp:Button ID="EditButton" runat="server" CommandName="Edit" Text="Edit" />
<br />
</td>
</ItemTemplate>
<LayoutTemplate>
<table id="Table2" runat="server">
<tr id="Tr1" runat="server">
<td id="Td6" runat="server">
<table id="groupPlaceholderContainer" runat="server" border="0" style="">
<tr id="groupPlaceholder" runat="server">
</tr>
</table>
</td>
</tr>
<tr id="Tr2" runat="server">
<td id="Td7" runat="server" style=""></td>
</tr>
</table>
</LayoutTemplate>
<SelectedItemTemplate>
<td id="Td8" runat="server" style="">SignalID:
<asp:Label ID="SignalIDLabel" runat="server" Text='<%# Eval("SignalID") %>' />
<br />
AssetID:
<asp:Label ID="AssetIDLabel" runat="server" Text='<%# Eval("AssetID") %>' />
<br />
Asset:
<asp:Label ID="AssetLabel" runat="server" Text='<%# Eval("Asset") %>' />
<br />
SignalDate:
<asp:Label ID="SignalDateLabel" runat="server" Text='<%# Eval("SignalDate","{0:yyyy-MM-dd}") %>' />
<br />
Direction:
<asp:Label ID="DirectionLabel" runat="server" Text='<%# Eval("Direction") %>' />
<br />
StrikePrice:
<asp:Label ID="StrikePriceLabel" runat="server" Text='<%# Eval("StrikePrice") %>' />
<br />
ExpiryPrice:
<asp:Label ID="ExpiryPriceLabel" runat="server" Text='<%# Eval("ExpiryPrice") %>' />
<br />
StartTime:
<asp:Label ID="StartTimeLabel" runat="server" Text='<%# Eval("SignalDate") %>' />
<br />
ExpiryTime:
<asp:Label ID="ExpiryTimeLabel" runat="server" Text='<%# Eval("ExpiryTime") %>' />
<br />
Result:
<asp:Label ID="ResultLabel" runat="server" Text='<%# Eval("Result") %>' />
<br />
ResultID:
<asp:Label ID="ResultIDLabel" runat="server" Text='<%# Eval("ResultID") %>' />
<br />
<asp:Button ID="EditButton" runat="server" CommandName="Edit" Text="Edit" />
<br />
</td>
</SelectedItemTemplate>
</asp:ListView>
<asp:SqlDataSource ID="Assets" runat="server" ConnectionString="<%$ ConnectionStrings:Signals2UConnectionString %>" SelectCommand="SELECT [AssetID], [Asset], [AssetType], [Symbol] FROM [Assets]"></asp:SqlDataSource>
<asp:SqlDataSource ID="times" runat="server" ConnectionString="<%$ ConnectionStrings:Signals2UConnectionString %>" SelectCommand="SELECT DISTINCT [TimeID], [TimeValues] FROM [Times]"></asp:SqlDataSource>
<asp:SqlDataSource ID="Outcome" runat="server" ConnectionString="<%$ ConnectionStrings:Signals2UConnectionString %>" SelectCommand="SELECT [ResultID], [Result] FROM [Results]"></asp:SqlDataSource>
</div>
$（文档）.ready（函数（）{
ShowTime（）；
});
函数ShowTime（）{
var dt=新日期（）；
document.getElementById（“lblTime”）.innerHTML=dt.toLocaleTimeString（）；
setTimeout（“ShowTime（）”，1000）；
}
信号标识：
资产：
信号日期：
方向：
罢工价格：
到期价格：
开始时间：
到期时间：
结果:
结果：
信号标识：
资产：
信号日期：
方向：
罢工价格：
到期价格：
开始时间：
到期时间：
结果:
没有返回任何数据。
资产：
信号日期：
方向：
罢工价格：
到期价格：
开始时间：
到期时间：
结果:
信号标识：
资产：
信号日期：
方向：
罢工价格：
到期价格：
开始时间：
到期时间：
结果:
结果：
信号标识：
阿塞蒂德：
资产：
信号日期：
方向：
罢工价格：
到期价格：
开始时间：
到期时间：
结果:
结果：
我尝试更新Results值，它是存储在Results表的Binary Signals表中的外键。结果字段用作显示文本，结果ID用作下拉列表的值。EditItemTemplate中缺少以下内容
<asp:Label ID="SignalIDLabel" runat="server" Text='<%# Bind("SignalID")%>'/>