我是使用大师级的新手...... 我在我的页面中使用asp按钮控件...在不使用母版页的页面中我的代码工作正常但是当我在ContentPlaceHolder中使用此代码时，asp按钮不再起作用了......我谷歌搜索这个问题，但无法解决这个问题...
<%@ Page Title="" Language="C#" MasterPageFile="~/Eilya/Admin.master" AutoEventWireup="true" CodeFile="AddPainting2.aspx.cs" Inherits="Eilya_AddPainting2" %>
<asp:Content ID="Content1" ContentPlaceHolderID="HeadContent" Runat="Server">
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder1" Runat="Server">
<div id="mainDiv">
<asp:SqlDataSource ID="allIllustrationsSds" runat="server"
ConnectionString="<%$ ConnectionStrings:EilyaCString %>"
SelectCommand="SpAllPaintings1" SelectCommandType="StoredProcedure"
DeleteCommand ="SpDelPaintings" DeleteCommandType="StoredProcedure">
<DeleteParameters>
<asp:Parameter Name="ID" Type="Int32" />
</DeleteParameters>
</asp:SqlDataSource>
<asp:GridView ID="paintingsGrid" runat="server" AutoGenerateColumns="False" DataSourceID="allIllustrationsSds"
EnableModelValidation="True"
onrowcommand="paintingsGrid_RowCommand" onrowdatabound="paintingsGrid_RowDataBound">
<Columns>
<asp:BoundField DataField="ID" HeaderText="شناسه" ReadOnly="True"
SortExpression="ID">
</asp:BoundField>
<asp:BoundField DataField="title" HeaderText="توضیحات"
SortExpression="title" ItemStyle-Width="609px"/>
<asp:TemplateField HeaderText="عکس اثر">
<ItemTemplate>
<img src = '<%# ResolveUrl("../" + Eval("thumbnailUrl")) %>' style=" width:91px;" />
</ItemTemplate>
</asp:TemplateField>
<asp:ButtonField ButtonType="Image" CommandName="btnDel" ImageUrl="../images/Eraser.png" HeaderText="حذف">
<ItemStyle CssClass="ControlImg" HorizontalAlign="Center" VerticalAlign="Middle" />
</asp:ButtonField>
</Columns>
</asp:GridView>
<asp:SqlDataSource ID="sdsInsertIllustrations" runat="server"
ConnectionString="<%$ ConnectionStrings:EilyaCString %>"
InsertCommand="SpInsertPaintings" InsertCommandType="StoredProcedure">
<InsertParameters>
<asp:Parameter Name="thumbnailUrl" Type="String" />
<asp:Parameter Name="fullsizeUrl" Type="String" />
<asp:Parameter Name="paintTitle" Type="String" />
<asp:Parameter Name="cat" Type="Int32" />
</InsertParameters>
</asp:SqlDataSource>
<asp:Label ID="lblMyAlert" runat="server" Text="Done!!!" Visible="False"></asp:Label>
<table id="insertTable">
<tr>
<td style="width:237px; background-color:#efefef;">
Thumbnail :
</td>
<td style="width:590px; background-color:#fff;">
<input id="File1" runat="server" name="File1" style="width:480px;" type="file" /><br /><br />
</td>
</tr>
<tr>
<td style="width:237px; background-color:#efefef;">
Main Pic :
</td>
<td style="width:590px; background-color:#fff;">
<input id="File2" runat="server" name="File2" style="WIDTH: 306px; HEIGHT: 25px" type="file" /><br /><br />
</td>
</tr>
<tr>
<td style="width:237px; background-color:#efefef;">
Title :
</td>
<td style="width:590px; background-color:#fff;">
<asp:TextBox ID="title" runat="server" Width="590"></asp:TextBox><br /><br />
</td>
</tr>
<tr>
<td style="text-align:center;">
<asp:Button ID="btnInsertPaint" onclick="btnInsertPaint_Click" runat="server" Text="ثبت اثر" />
</td>
</tr>
</table>
</div>
</asp:Content>
我背后的代码是：
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data.SqlClient;
using System.Data;
using System.IO;
public partial class Eilya_AddPainting2 : System.Web.UI.Page
{
string cn = System.Configuration.ConfigurationManager.ConnectionStrings["EilyaCString"].ConnectionString.ToString();
Int32 mx = 0;
protected void Page_Load(object sender, EventArgs e)
{
}
void UploadFiles()
{
if (File1.PostedFile.FileName != "")
{
string StrFileType1 = File1.PostedFile.FileName.Substring(File1.PostedFile.FileName.ToString().Length - 4, 4);
File1.PostedFile.SaveAs(Request.PhysicalApplicationPath + @"\images\thumbnails\Paint_" + mx.ToString() + StrFileType1);
string StrFileType2 = File2.PostedFile.FileName.Substring(File2.PostedFile.FileName.ToString().Length - 4, 4);
File2.PostedFile.SaveAs(Request.PhysicalApplicationPath + @"\images\fullsize\Paint_" + mx.ToString() + StrFileType2);
}
}
protected void btnInsertPaint_Click(object sender, EventArgs e)
{
ContentPlaceHolder MainContent = Page.Master.FindControl("ContentPlaceHolder1") as ContentPlaceHolder;
MakeEId();
UploadFiles();
string flpth1 = "images/thumbnails/Paint_" + mx.ToString() + File1.PostedFile.FileName.Substring(File1.PostedFile.FileName.ToString().Length - 4, 4);
string flpth2 = "images/fullsize/Paint_" + mx.ToString() + File2.PostedFile.FileName.Substring(File2.PostedFile.FileName.ToString().Length - 4, 4);
sdsInsertIllustrations.InsertParameters[0].DefaultValue = flpth1;
sdsInsertIllustrations.InsertParameters[1].DefaultValue = flpth2;
sdsInsertIllustrations.InsertParameters[2].DefaultValue = title.Text.Trim();
sdsInsertIllustrations.InsertParameters[3].DefaultValue = "2";
sdsInsertIllustrations.Insert();
lblMyAlert.Visible = true;
title.Text = null;
flpth1 = null;
flpth2 = null;
}
private void MakeEId()
{
try
{
SqlConnection con = new SqlConnection(cn);
SqlCommand cmd = new SqlCommand();
cmd = con.CreateCommand();
cmd.CommandType = CommandType.StoredProcedure;
cmd.CommandText = "SpMakePaintID";
con.Open();
SqlDataReader dbDR = cmd.ExecuteReader();
while (dbDR.Read())
{
mx = Convert.ToInt32(dbDR["ID"].ToString()) + 1;
}
con.Close();
}
catch { }
}
protected void paintingsGrid_RowCommand(object sender, GridViewCommandEventArgs e)
{
int index = Convert.ToInt32(e.CommandArgument);
if (e.CommandName == "btnDel")
{
allIllustrationsSds.DeleteParameters[0].DefaultValue = paintingsGrid.Rows[index].Cells[0].Text.Trim();
allIllustrationsSds.Delete();
paintingsGrid.DataSource = null;
paintingsGrid.DataSource = allIllustrationsSds;
paintingsGrid.DataBind();
}
}
protected void paintingsGrid_RowDataBound(object sender, GridViewRowEventArgs e)
{
}
public override void VerifyRenderingInServerForm(Control control)
{
/* Confirms that an HtmlForm control is rendered for the specified ASP.NET
server control at run time. */
}
}
这是我的MasterPage代码：
<%@ Master Language="C#" AutoEventWireup="true" CodeFile="Admin.master.cs" Inherits="Eilya_Admin" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
<link rel="Stylesheet" type="text/css" href="../css/admin.css" />
<asp:ContentPlaceHolder id="HeadContent" runat="server">
</asp:ContentPlaceHolder>
</head>
<body>
<form id="form1" runat="server">
<div id="adminHeadDiv">
<nav>
<ul>
<li id="homeTab"><a href="">HOME</a></li>
<li id="newsTab"><a href="">NEWS</a></li>
<li id="worksTab"><a href="">WORKS</a>
<ul>
<li><a href="">paintings</a>
<ul>
<li style="margin-top:-60px; width:400px;"><a href="AddPainting1.aspx">Commandments | 2015</a></li>
<li style="width:400px;"><a href="AddPainting2.aspx">φ | 2015</a></li>
</ul>
</li>
<li><a href="">illustrations</a>
<ul>
<li style="margin-top:-60px; width:400px;"><a href="AddIllustration1.aspx">placebo | 2015</a></li>
<li style="width:400px;"><a href="AddIllustration2.aspx">φ | 2015</a></li>
<li style="width:400px;"><a href="AddIllustration3.aspx">Amour | 2015</a></li>
<li style="width:400px;"><a href="AddIllustration4.aspx">Coup de grass | 2014</a></li>
<li style="width:400px;"><a href="AddIllustration5.aspx">Catharsis | 2014</a></li>
<li style="width:400px;"><a href="AddIllustration6.aspx">In a heaven where no crow No scarecrow either | 2013</a></li>
<li style="width:400px;"><a href="AddIllustration7.aspx">Primitive Fututre | 2013</a></li>
<li style="width:400px;"><a href="AddIllustration8.aspx">Untitled Series | 2012</a></li>
<li style="width:400px;"><a href="AddIllustration9.aspx">Sharh-al-Taaligheh | 2011</a></li>
<li style="width:400px;"><a href="AddIllustration10.aspx">And I will Acervate with Love | 2010</a></li>
<li style="width:400px;"><a href="AddIllustration11.aspx">Untitled Series | 2009</a></li>
<li style="width:400px;"><a href="AddIllustration18.aspx">Great men are doing these acts | 2008</a></li>
<li style="width:400px;"><a href="AddIllustration12.aspx">Oh Cow! thou will become immortal | 2005-2008</a></li>
<li style="width:400px;"><a href="AddIllustration19.aspx">Shat-e-Ranj | 2007</a></li>
<li style="width:400px;"><a href="AddIllustration13.aspx">The moon guest’s your eyes | 2007</a></li>
<li style="width:400px;"><a href="AddIllustration14.aspx">Untitled Series | 2004</a></li>
<li style="width:400px;"><a href="AddIllustration15.aspx">A man with a white mustache | 2004</a></li>
<li style="width:400px;"><a href="AddIllustration16.aspx">Allegro | 2000-2003</a></li>
<li style="width:400px;"><a href="AddIllustration17.aspx">Untitled Series | before 2000</a></li>
</ul>
</li>
<li><a href="">photos</a></li>
<li><a href="">graphics</a></li>
<li><a href="">video art</a></li>
<li><a href="">performance art</a></li>
<li><a href="">installation art</a></li>
<li><a href="">sound art</a></li>
<li><a href="">etcetra</a></li>
</ul>
</li>
<li id="exhibitsTab"><a href="">EXHIBITS</a></li>
<li id="mediaTab"><a href="">MEDIA</a>
<ul>
<li><a href="">books & catalogs</a></li>
<li><a href="">posters</a></li>
<li><a href="">articles</a></li>
<li><a href="">tv / video</a></li>
</ul>
</li>
<li id="aboutTab"><a href="">ABOUT</a></li>
</ul>
</nav>
</div>
</form>
<asp:ContentPlaceHolder id="ContentPlaceHolder1" runat="server">
</asp:ContentPlaceHolder>
</body>
</html>
答案 0 :(得分：1)
在加载ContentPlaceHolder1之前，您会关闭标记表单。 尝试在以下位置移动标记表单：
<asp:ContentPlaceHolder id="ContentPlaceHolder1" runat="server">
</asp:ContentPlaceHolder>
</form>