Triger如何在asp.net中工作 [英] how the triger works in asp.net
本文介绍了Triger如何在asp.net中工作的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
<%@ Page Language="C#" MasterPageFile="~/MiniErpMaster.master" AutoEventWireup="True"
Inherits="ItemMaster" CodeBehind="ItemMaster.aspx.cs" %>
<asp:Content ID="Content2" ContentPlaceHolderID="ErpMainContent" runat="server">
<asp:UpdatePanel ID="Main" runat="server" UpdateMode="Conditional" ChildrenAsTriggers="true">
<Triggers>
<asp:AsyncPostBackTrigger ControlID="BtnSave" EventName="OnClick" />
</Triggers>
<ContentTemplate>
<div class="wrap">
<table width="100%">
<tr>
<td align="center" class="GenericBackgroud">
Item Master
</td>
</tr>
</table>
<table width="100%">
<tr>
<td>
<table>
<tr>
<td class="tdlablesize">
<asp:Label ID="lblItemName" runat="server" Text="Item Name"></asp:Label>
</td>
<td class="tdcustom">
<asp:TextBox ID="txtItemName" runat="server" CssClass="textbox" TabIndex="1"></asp:TextBox>
<asp:RequiredFieldValidator ID="rfvItemName" ForeColor="Red" ControlToValidate="txtItemName"
runat="server" Text="Required field"></asp:RequiredFieldValidator>
</td>
<td class="tdlablesize">
<asp:Label ID="lblItemType" runat="server" Text="Item Type"></asp:Label>
</td>
<td class="tdcustom">
<asp:TextBox ID="txtItemType" runat="server" CssClass="textbox" TabIndex="2"></asp:TextBox>
</td>
<td class="lablecolor">
<asp:CheckBox ID="chkIsResaleItem" Text="Resale Item" runat="server" TabIndex="5" />
</td>
</tr>
<tr>
<td class="tdlablesize">
<asp:Label ID="lblItemVolume" runat="server" Text="Item Volume"></asp:Label>
</td>
<td class="tdcustom">
<asp:TextBox ID="txtItemVolume" runat="server" CssClass="textbox" TabIndex="3"></asp:TextBox>
<strong>ml<asp:RegularExpressionValidator ID="RegularExpressionValidator1" runat="server"
ErrorMessage="Numbers Only" ControlToValidate="txtItemVolume" ForeColor="Red"
ValidationExpression="^\d+$">
</asp:RegularExpressionValidator>
</strong>
</td>
<td class="tdlablesize">
<asp:Label ID="lblItemCode" runat="server" Text="Item Code"></asp:Label>
</td>
<td class="tdcustom">
<asp:TextBox ID="txtItemCode" CssClass="textbox" runat="server" TabIndex="4"></asp:TextBox>
<strong>
<asp:RegularExpressionValidator ID="RegularExpressionValidator2" runat="server" ErrorMessage="Numbers Only"
ControlToValidate="txtItemCode" ForeColor="Red" ValidationExpression="^\d+$">
</asp:RegularExpressionValidator>
</strong>
</td>
<td>
<asp:TextBox ID="txtItemNbr" runat="server" CssClass="textbox" Visible="False"></asp:TextBox>
</td>
</tr>
<tr>
<td>
</td>
</tr>
</table>
</td>
</tr>
</table>
</div>
<br />
<table width="100%">
<tr>
<td align="center">
<asp:Button ID="BtnSave" runat="server" Text="Save" OnClick="BtnSave_Click1" TabIndex="6"
CssClass="button" />
<asp:Button ID="btnUpdate" runat="server" Text="Update" CssClass="button" OnClick="btnUpdate_Click"
TabIndex="7" />
</td>
</tr>
</table>
<br />
<br />
<br />
Item Master Details
<br />
<div class="divCSSforGirdView">
<fieldset>
<asp:GridView Width="100%" ID="grdvwItemMasterList" runat="server" AutoGenerateColumns="false"
OnRowCommand="CustomersGridView_RowCommand" OnRowEditing="grdvwItemMasterList_RowEditing"
OnRowDeleting="grdvwItemMasterList_RowDeleting" OnSelectedIndexChanged="grdvwItemMasterList_SelectedIndexChanged"
TabIndex="8">
<SelectedRowStyle BackColor="#99CCFF" />
<Columns>
<asp:TemplateField>
<ItemStyle Width="80px" />
<ItemTemplate>
<asp:LinkButton ID="lnkDelete" runat="server" CommandName="Delete" Text="Delete"
CommandArgument='<%# Eval("ItemNbr") %>' OnClientClick="javascript:return confirm('Do you really want to \ndelete the item?');"
CausesValidation="false">
</asp:LinkButton>
</ItemTemplate>
</asp:TemplateField>
<asp:ButtonField ButtonType="Link" Text="Edit" CommandName="Edit" />
<asp:BoundField DataField="ItemNbr" HeaderText="Item Number" ReadOnly="true" />
<asp:BoundField DataField="ItemName" HeaderText="Item Name" ReadOnly="true" />
<asp:BoundField DataField="ItemType" HeaderText="Item Type" ReadOnly="true" />
<asp:BoundField DataField="ItemVolume" HeaderText="Item Volume" ReadOnly="true" />
<asp:BoundField DataField="ItemCode" HeaderText="Item Code" ReadOnly="true" />
<asp:BoundField DataField="IsResaleItem" HeaderText="Is Resale Item" ReadOnly="true" />
</Columns>
<FooterStyle CssClass="FooterStyle" />
<RowStyle CssClass="RowStyle" />
<EmptyDataRowStyle CssClass="EmptyRowStyle" />
<PagerStyle CssClass="PagerStyle" />
<SelectedRowStyle CssClass="SelectedRowStyle" />
<HeaderStyle CssClass="HeaderStyle" />
<EditRowStyle CssClass="EditRowStyle" />
<AlternatingRowStyle CssClass="AltRowStyle" />
</asp:GridView>
</fieldset>
</div>
</ContentTemplate>
</asp:UpdatePanel>
</asp:Content>推荐答案
"> < /asp:RegularExpressionValidator > </strong> < /td > <td class="tdlablesize"> <asp:Label ID="lblItemCode" runat="server" Text="Item Code"></asp:Label> < /td > <td class="tdcustom"> <asp:TextBox ID="txtItemCode" CssClass="textbox" runat="server" TabIndex="4"></asp:TextBox> < strong > <asp:RegularExpressionValidator ID="RegularExpressionValidator2" runat="server" ErrorMessage="Numbers Only" ControlToValidate="txtItemCode" ForeColor ="Red" ValidationExpression="^\d+
"> </asp:RegularExpressionValidator> </strong> </td> <td class="tdlablesize"> <asp:Label ID="lblItemCode" runat="server" Text="Item Code"></asp:Label> </td> <td class="tdcustom"> <asp:TextBox ID="txtItemCode" CssClass="textbox" runat="server" TabIndex="4"></asp:TextBox> <strong> <asp:RegularExpressionValidator ID="RegularExpressionValidator2" runat="server" ErrorMessage="Numbers Only" ControlToValidate="txtItemCode" ForeColor="Red" ValidationExpression="^\d+
"> < /asp:RegularExpressionValidator > </strong> < /td > < td > <asp:TextBox ID="txtItemNbr" runat="server" CssClass="textbox" Visible="False"></asp:TextBox> < /td > < /tr > < tr > < td > < /td > < /tr > < /table > < /td > < /tr > < /table > < /div > < br > < 表 =" 100％" < tr > < td =" center" <asp:Button ID="BtnSave" runat="server" Text="Save" OnClick="BtnSave_Click1" TabIndex="6" CssClass="button" /> <asp:Button ID="btnUpdate" runat="server" Text="Update" CssClass="button" OnClick="btnUpdate_Click" TabIndex="7" /> < /td > < /tr > < /table > < br > < br > < br > Item Master Details < br > <div class="divCSSforGirdView"> <fieldset> <asp:GridView Width="100%" ID="grdvwItemMasterList" runat="server" AutoGenerateColumns="false" OnRowCommand="CustomersGridView_RowCommand" OnRowEditing="grdvwItemMasterList_RowEditing" OnRowDeleting="grdvwItemMasterList_RowDeleting" OnSelectedIndexChanged="grdvwItemMasterList_SelectedIndexChanged" TabIndex="8"> <SelectedRowStyle BackColor="#99CCFF" /> < 列 > < asp:TemplateField > <ItemStyle Width="80px" /> < ItemTemplate > <asp:LinkButton ID="lnkDelete" runat="server" CommandName="Delete" Text="Delete" CommandArgument='<%# Eval("ItemNbr") %>' OnClientClick="javascript:return confirm('Do you really want to \ndelete the item?' );" CausesValidation="false"> < /asp:LinkButton > < /ItemTemplate > < /asp:TemplateField > <asp:ButtonField ButtonType="Link" Text="Edit" CommandName="Edit" /> <asp:BoundField DataField="ItemNbr" HeaderText="Item Number" ReadOnly="true" /> <asp:BoundField DataField="ItemName" HeaderText="Item Name" ReadOnly="true" /> <asp:BoundField DataField="ItemType" HeaderText="Item Type" ReadOnly="true" /> <asp:BoundField DataField="ItemVolume" HeaderText="Item Volume" ReadOnly="true" /> <asp:BoundField DataField="ItemCode" HeaderText="Item Code" ReadOnly="true" /> <asp:BoundField DataField="IsResaleItem" HeaderText="Is Resale Item" ReadOnly="true" /> < /列 > <FooterStyle CssClass="FooterStyle" /> <RowStyle CssClass="RowStyle" /> <EmptyDataRowStyle CssClass="EmptyRowStyle" /> <PagerStyle CssClass="PagerStyle" /> <SelectedRowStyle CssClass="SelectedRowStyle" /> <HeaderStyle CssClass="HeaderStyle" /> <EditRowStyle CssClass="EditRowStyle" /> <AlternatingRowStyle CssClass="AltRowStyle" /> < /asp:GridView > < /fieldset > < /div > < /ContentTemplate > < /asp:UpdatePanel > </asp:Content>
"> </asp:RegularExpressionValidator> </strong> </td> <td> <asp:TextBox ID="txtItemNbr" runat="server" CssClass="textbox" Visible="False"></asp:TextBox> </td> </tr> <tr> <td> </td> </tr> </table> </td> </tr> </table> </div> <br /> <table width="100%"> <tr> <td align="center"> <asp:Button ID="BtnSave" runat="server" Text="Save" OnClick="BtnSave_Click1" TabIndex="6" CssClass="button" /> <asp:Button ID="btnUpdate" runat="server" Text="Update" CssClass="button" OnClick="btnUpdate_Click" TabIndex="7" /> </td> </tr> </table> <br /> <br /> <br /> Item Master Details <br /> <div class="divCSSforGirdView"> <fieldset> <asp:GridView Width="100%" ID="grdvwItemMasterList" runat="server" AutoGenerateColumns="false" OnRowCommand="CustomersGridView_RowCommand" OnRowEditing="grdvwItemMasterList_RowEditing" OnRowDeleting="grdvwItemMasterList_RowDeleting" OnSelectedIndexChanged="grdvwItemMasterList_SelectedIndexChanged" TabIndex="8"> <SelectedRowStyle BackColor="#99CCFF" /> <Columns> <asp:TemplateField> <ItemStyle Width="80px" /> <ItemTemplate> <asp:LinkButton ID="lnkDelete" runat="server" CommandName="Delete" Text="Delete" CommandArgument='<%# Eval("ItemNbr") %>' OnClientClick="javascript:return confirm('Do you really want to \ndelete the item?');" CausesValidation="false"> </asp:LinkButton> </ItemTemplate> </asp:TemplateField> <asp:ButtonField ButtonType="Link" Text="Edit" CommandName="Edit" /> <asp:BoundField DataField="ItemNbr" HeaderText="Item Number" ReadOnly="true" /> <asp:BoundField DataField="ItemName" HeaderText="Item Name" ReadOnly="true" /> <asp:BoundField DataField="ItemType" HeaderText="Item Type" ReadOnly="true" /> <asp:BoundField DataField="ItemVolume" HeaderText="Item Volume" ReadOnly="true" /> <asp:BoundField DataField="ItemCode" HeaderText="Item Code" ReadOnly="true" /> <asp:BoundField DataField="IsResaleItem" HeaderText="Is Resale Item" ReadOnly="true" /> </Columns> <FooterStyle CssClass="FooterStyle" /> <RowStyle CssClass="RowStyle" /> <EmptyDataRowStyle CssClass="EmptyRowStyle" /> <PagerStyle CssClass="PagerStyle" /> <SelectedRowStyle CssClass="SelectedRowStyle" /> <HeaderStyle CssClass="HeaderStyle" /> <EditRowStyle CssClass="EditRowStyle" /> <AlternatingRowStyle CssClass="AltRowStyle" /> </asp:GridView> </fieldset> </div> </ContentTemplate> </asp:UpdatePanel> </asp:Content>
Read the below articles.
http://www.asp.net/ajax/tutorials/understanding-asp- net-ajax-updatepanel-triggers [ ^ ]
http://codegod.org/WebAppCodeGod/UpdatePanel-and-Triggers-with-aeSP-NET-aeJaeX-AID282.aspx[^]
Read the below articles.
http://www.asp.net/ajax/tutorials/understanding-asp-net-ajax-updatepanel-triggers[^]
http://codegod.org/WebAppCodeGod/UpdatePanel-and-Triggers-with-aeSP-NET-aeJaeX-AID282.aspx[^]
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