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自定义页面集成到CRM中的问题 RRS feed

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    各位高手：

          现项目中遇到自定义页面，需用到DropDownList，Panel等服务器控件，

          DropDownList 是动态从数据中绑定，

          发布和调试的页面程序可以正常运行，但如果把其页面放到CRM的ISV文件中或新建的虚拟目录中

          DropDownList 在页面加载时绑定数据，但是如果点击button按钮(无相关事件)后，页面刷新后DropDownList 不再绑定原有数据。下拉框中选项被清空。但是如果在文本框中输入数据，在点击按钮后，还会显示。

    请各位高手指教。

    代码如下：
    页面文件Default.aspx
    <%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="TestSample._Default" %>

<%--<!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/TestSample.css"/>
    <link rel="stylesheet" type="text/css" href="Css/fonts.css"/>
</head>
<body class="stage">
    <form id="form1" runat="server">
        <table class="ms-crm-ListControl" cellpadding="0" cellspacing="0" >
            <tr align="left" >
                <td align="left">
                    <div style="height: 99.9%; padding:10px" class="ms-crm-List-DataArea">
                        <table cellpadding="0" cellspacing="0" style="width:100%; border-style:none;">
                            <tr style="border-style:none;">
                                <td colspan="2" 
                                    style="border-style:none none solid none; font-size: 20; font-weight: bold; color: #FF3300; border-bottom-width: thin; border-bottom-color: #FF3300;" 
                                    height="28px">
                                    &nbsp;&nbsp;CRM Custom Page Question</td>
                            </tr>
                            <tr style="border-style:none;">
                                <td colspan="2" style="border-style:none;" height="10px"></td>
                            </tr>
                            <tr style="border-style:none;">
                                <td class="OneCellLeft" style="font-weight: bold;" align="center" width="160px" 
                                    height="28px">
                                    文本框：</td>
                                <td class="OneCellRight" align="left" >
                                    &nbsp;&nbsp;<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
                                </td>
                            </tr>
                            <tr style="border-style:none;">
                                <td class="OneCellLeft" style="font-weight: bold;" align="center" width="160px" 
                                    height="28px">
                                    下拉框(PickList)：</td>
                                <td class="OneCellRight" align="left" >
                                    &nbsp;&nbsp;<asp:DropDownList ID="DropDownList1" runat="server">
                                    </asp:DropDownList>
                                </td>
                            </tr>
                            <tr style="border-style:none;">
                                <td colspan="2" style="border-style:none;" height="10px"></td>
                            </tr>
                            <tr style="border-style:none;">
                                <td style="border-style:none;" align="left" width="160px" height="28px">
                                    &nbsp;&nbsp;&nbsp;<asp:Button CssClass="ms-crm-Button" ID="Button1" runat="server" Text="报表列印" />
                                </td>
                                <td style="border-style:none;" align="left">
                                </td>
                            </tr>
                            <tr style="border-style:none;">
                                <td colspan="2" style="border-style:none;" height="100%"></td>
                            </tr>
                        </table>
                    </div>
                </td>
            </tr>
        </table>
    </form>
</body>
</html>

    页面代码文件Default.aspx.cs
    using System;
using System.Collections.Generic;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;

namespace TestSample
{
    public partial class _Default : System.Web.UI.Page
    {

        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                DataTable table = GetDataSource();
                this.DropDownList1.DataSource = table.DefaultView;
                this.DropDownList1.DataValueField = "PickListVlaue";
                this.DropDownList1.DataTextField = "PickListText";
                this.DropDownList1.DataBind();
            }
        }

        private static DataTable GetDataSource()
        {
            DataColumn column = new DataColumn();
            DataTable table = new DataTable();
            DataRow MyRow;
            table.Columns.Clear();
            column = new DataColumn();
            column.DataType = System.Type.GetType("System.Int32");
            column.ColumnName = "PickListVlaue";
            table.Columns.Add(column);

            column = new DataColumn();
            column.DataType = Type.GetType("System.String");
            column.ColumnName = "PickListText";
            table.Columns.Add(column);

            for (int i = 1; i < 11; i++)
            {
                MyRow = table.NewRow();
                MyRow["PickListVlaue"] = i;
                MyRow["PickListText"] = "DynamicPickList" + i.ToString();
                table.Rows.Add(MyRow);
            }
            return table;
        }
    }
}

    Style文件：
    TestSample.css
    BODY
{
	direction: LTR;
	margin:	0px;
	border: 0px;
	background-color: #d6e8ff;
	cursor: default;
	scrollbar-3dlight-color:#6699CC;
	scrollbar-arrow-color:#567DB1;
	scrollbar-base-color:#D6E8FF;
	scrollbar-darkshadow-color:#6699CC;
	scrollbar-face-color:white;
	scrollbar-highlight-color:#D6E8FF;
	scrollbar-shadow-color:#D6E8FF;
}

BODY.stage
{
	border-top:1px solid #6893cf;
	background-color: #d6e8ff;
	padding: 4px;
	background-repeat: repeat-x;
	background-image: url('/Imgs/app_back.gif');
}

TABLE.ms-crm-ListControl
{
	border: solid 1px #6699CC;
	height: 100%;
	width: 100%;
	table-layout: fixed;
	background-color: #FFFFFF;
}

DIV.ms-crm-List-DataArea
{
	overflow-x: auto;
	overflow-y: auto;
	width: 100%;
	height: 100%;
	background-color: #FFFFFF;
}
TD
{
	white-space: nowrap;
}
TD.FirstCellLeft
{
	text-align:center;
	vertical-align:middle;	
	border-width:0px;
	font-weight:bold;
	background-color:#F3F1F1;
	font-size:smaller;
	border-top-style: solid;
	border-top-width: 2px; 
	border-top-color: #F3F1F1;
	border-bottom-style: solid;
	border-bottom-width: 1px; 
	border-bottom-color: #FFFFFF;
}

TD.FirstCellRight
{
	vertical-align:middle;	
	border-width:0px;
	font-size:smaller;
	border-top-style: solid;
	border-top-width: 2px; 
	border-top-color: #F3F1F1;
	border-bottom-style: solid;
	border-bottom-width: 1px; 
	border-bottom-color: #F3F1F1;
}

TD.CellLeft
{
	text-align:center;
	vertical-align:middle;	
	border-width:0px;
	font-weight:bold;
	background-color:#F3F1F1;
	font-size:smaller;
	border-bottom-style: solid;
	border-bottom-width: 1px; 
	border-bottom-color: #FFFFFF;
}

TD.CellRight
{
	vertical-align:middle;	
	border-width:0px;
	font-size:smaller;
	border-bottom-style: solid;
	border-bottom-width: 1px; 
	border-bottom-color: #F3F1F1;
}

TD.LastCellLeft
{
	text-align:center;
	vertical-align:middle;	
	border-width:0px;
	font-weight:bold;
	background-color:#F3F1F1;
	font-size:smaller;
	border-bottom-style: solid;
	border-bottom-width: 2px; 
	border-bottom-color: #F3F1F1;
}

TD.LastCellRight
{
	vertical-align:middle;	
	border-width:0px;
	font-size:smaller;
	border-bottom-style: solid;
	border-bottom-width: 2px; 
	border-bottom-color: #F3F1F1;
}

TD.OneCellLeft
{
	text-align:center;
	vertical-align:middle;	
	border-width:0px;
	font-weight:bold;
	background-color:#F3F1F1;
	font-size:smaller;
	border-top-style: solid;
	border-top-width: 2px; 
	border-top-color: #F3F1F1;
	border-bottom-style: solid;
	border-bottom-width: 2px; 
	border-bottom-color: #F3F1F1;
}

TD.OneCellRight
{
	vertical-align:middle;	
	border-width:0px;
	font-size:smaller;
	border-top-style: solid;
	border-top-width: 2px; 
	border-top-color: #F3F1F1;
	border-bottom-style: solid;
	border-bottom-width: 2px; 
	border-bottom-color: #F3F1F1;
}

INPUT,
TEXTAREA,
SELECT
{
	color: #000000;
	font-size: 12px;
	border:1px solid #6699cc;
}

INPUT.ms-crm-Button
{	
	font-family: Tahoma;
	font-size: 12px;
	line-height: 18px;
	height: 20px;
	width: 84px;
	text-align: center;
	cursor: pointer;
	border: 1px #3366CC solid;
	background-color: #CEE7FF;
	background-image: url('/Imgs/btn_rest.gif');
	background-repeat: repeat-x;
	padding-left: 5px;
	padding-right: 5px;
}

TD.THCell
{
	text-align:center;
	vertical-align:middle;	
	font-weight:bold;
	border-width:0px;
	background-color:#F3F1F1;
	font-size:smaller;
	border-left-style: solid;
	border-left-width: 1px; 
	border-left-color: #FFFFFF;
	border-right-style: solid;
	border-right-width: 1px; 
	border-right-color: #FFFFFF;
	white-space: nowrap;
}



    2009年4月21日 9:05
    |

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