DataGrid中弹出日期控件

最新推荐文章于 2020-07-29 23:06:17 发布

zhangqs_1981

最新推荐文章于 2020-07-29 23:06:17 发布

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文章标签： datagrid calendar textbox button object server

本文链接：https://blog.youkuaiyun.com/zhangqs_1981/article/details/215514

博客展示了如何在ASP.Net服务器端PostBack中结合客户端的“window.showModalWindow”。给出了WebForm1.aspx和CalendarDialog.aspx两个页面的代码示例，涉及DataGrid、TextBox、Button和Calendar等控件的使用，实现了日期选择交互功能。

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The following two pages will demonstrate how to use client side "window.showModalWindow" in combination with ASP.Net server side PostBack.

=======================WebForm1.aspx=========================

<%@ Page language="c#" AutoEventWireup="true" %>
<%@ Import Namespace="System.Data" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
<title>WebForm1</title>
</HEAD>
<body MS_POSITIONING="GridLayout">
<form id="Form1" method="post" runat="server">
   <asp:DataGrid id="DataGrid1" style="Z-INDEX: 101; LEFT: 56px; POSITION: absolute; TOP: 48px" runat="server"
    Width="512px" Height="256px" AutoGenerateColumns="False">
    <Columns>
     <asp:BoundColumn DataField="StringColumn" HeaderText="StringColumn"></asp:BoundColumn>
     <asp:TemplateColumn HeaderText="DateColumn">
      <ItemTemplate>
       <asp:TextBox id=TextBox1 runat="server" Text='<%# DateTime.Parse(DataBinder.Eval(Container, "DataItem.DateColumn").ToString()).ToShortDateString() %>'>
       </asp:TextBox>
       <asp:Button id="Button1" runat="server" Text="Edit Value"></asp:Button>
      </ItemTemplate>
     </asp:TemplateColumn>
    </Columns>
   </asp:DataGrid>
</form>
<script runat="server">
protected DataTable dt;
protected void Page_Load(object sender, System.EventArgs e)
{
   DataGrid1.ItemDataBound += new System.Web.UI.WebControls.DataGridItemEventHandler(this.DataGrid1_ItemDataBound);
   dt = new DataTable("TestTable");
   dt.Columns.Add("StringColumn",typeof(string));
   dt.Columns.Add("DateColumn",typeof(DateTime));
   dt.Rows.Add(new object[]{"String 1",DateTime.Now});
   dt.Rows.Add(new object[]{"String 2",DateTime.Now});
   DataGrid1.DataSource = dt;
   DataGrid1.DataBind();
}
protected void DataGrid1_ItemDataBound(object sender, System.Web.UI.WebControls.DataGridItemEventArgs e)
{
   //Eliminate the headers and footers.
   if (e.Item.Cells[1].Controls.Count == 5)
   {
    TextBox tx = (TextBox)e.Item.Cells[1].Controls[1];
    Button btn = (Button)e.Item.Cells[1].Controls[3];
    btn.Attributes.Add("onclick","return buttonClick('" + tx.ClientID + "');");
   }
}
</script>
<script language="javascript">
function buttonClick(senderTextBoxID) {
   //debugger;
   var i;
   var senderTextBox;
   for (i = 0; i < event.srcElement.parentElement.children.length; i++) {
    if (event.srcElement.parentElement.children[i].id == senderTextBoxID) {
     senderTextBox = event.srcElement.parentElement.children[i];
    }
   }
   var returnValue;
   returnValue = window.showModalDialog("CalendarDialog.aspx?selectedDate=" + senderTextBox.value);
   //debugger;
   if (returnValue != null) {
    senderTextBox.value = returnValue.toString();
   }
   //Cancel the postback.
   return false;
}
</script>
</body>
</HTML>

=======================CalendarDialog.aspx=========================

<%@ Page language="c#" AutoEventWireup="true"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
<title>CalendarDialog</title>
<base target=_self>
</HEAD>
<body MS_POSITIONING="GridLayout">
<form id="Form1" method="post" runat="server">
    <asp:Calendar id="Calendar1" style="Z-INDEX: 101; LEFT: 32px; POSITION: absolute; TOP: 32px" runat="server"
     Width="241px" Height="176px"></asp:Calendar>
     <INPUT style="Z-INDEX: 102; LEFT: 32px; WIDTH: 96px; POSITION: absolute; TOP: 224px; HEIGHT: 24px"
     type="button" value="OK" onclick="returnToMainForm();">
     <INPUT style="Z-INDEX: 103; LEFT: 176px; WIDTH: 96px; POSITION: absolute; TOP: 224px; HEIGHT: 24px"
     type="button" value="Cancel" onclick="window.close();">
</form>
<script runat=server>
protected void Page_Load(object sender, System.EventArgs e)
{
   if (!IsPostBack)
   {
    DateTime dt;
    try
    {
     dt = DateTime.Parse(Request.QueryString["selectedDate"]);
    }
    catch
    {
     dt = DateTime.Now;
    }
    Calendar1.SelectedDate = dt;
    RegisterHiddenField("selectedDate",dt.ToShortDateString());
   }
   Calendar1.SelectionChanged += new EventHandler(Calendar1_SelectionChanged);
}

protected void Calendar1_SelectionChanged(object sender, System.EventArgs e)
{
   RegisterHiddenField("selectedDate",this.Calendar1.SelectedDate.ToShortDateString());
}
</script>
<script language=javascript>
function returnToMainForm() {
   window.returnValue = window.Form1.selectedDate.value;
   window.close();
}
</script>
</body>
</HTML>