в 15:30, 26 мая 2010

2010-05-26T15:30:47Z

Admin: 1 версия

2010-05-26T11:53:35Z

1 версия

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==Deal with the query string (VB.net)==



<source lang="csharp">
<%@ Page Language=VB Debug=true %>
<script runat=server>
Sub Page_Load(ByVal Sender as Object, ByVal E as EventArgs)
If Len(Request.QueryString("StoreID")) = 0 _
or Len(Request.QueryString("ProductID")) = 0 Then
lblMessage1.Text = "One or both of the fields " _
& "StoreID or ProductID were not found in the " _
& "QueryString collection!"
Else
lblMessage1.Text = "Store ID: " _
& Request.QueryString("StoreID")
lblMessage2.Text = "Product ID: " _
& Request.QueryString("ProductID")
End If
End Sub
</SCRIPT>
<HTML>
<HEAD>
<TITLE>QueryString Sample Page</TITLE>
</HEAD>
<BODY >
<form runat="server">
<Font Face="Tahoma">
<asp:Label
id="lblMessage1"
runat="Server"
Font-Bold="True"
/>
<BR><BR>
<asp:Label
id="lblMessage2"
runat="Server"
Font-Bold="True"
/>
</Font>
</Form>
</BODY>
</HTML>

</source>

==Get query string from Request (C#)==



<source lang="csharp">
<%@ Page language="c#" src="QueryStringRecipient.aspx.cs" AutoEventWireup="false" Inherits="QueryStringRecipient" %>
<HTML>
<body>
<form id="Form1" method="post" runat="server">
<asp:Label id="lblInfo" style="Z-INDEX: 101; LEFT: 26px; POSITION: absolute; TOP: 25px" runat="server" Width="412px" Height="130px" BorderStyle="Groove" BorderWidth="2px" Font-Bold="True" Font-Names="Verdana" Font-Size="Medium" BackColor="LightYellow"></asp:Label> 
</form>
</body>
</HTML>

<%--
using System;
using System.Collections;
using System.ruponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
public class QueryStringRecipient : System.Web.UI.Page
{
protected System.Web.UI.WebControls.Label lblInfo;

private void Page_Load(object sender, System.EventArgs e)
{
lblInfo.Text = "Item: " + Request.QueryString["Item"];
lblInfo.Text += "<br>Show Full Record: ";
lblInfo.Text += Request.QueryString["Mode"];
}
#region Web Form Designer generated code
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: This call is required by the ASP.NET Web Form Designer.
//
InitializeComponent();
base.OnInit(e);
}

/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.Load += new System.EventHandler(this.Page_Load);
}
#endregion
}

--%>

</source>

==Send and get query string (C#)==



<source lang="csharp">
<%@ Page language="c#" src="QueryStringSender.aspx.cs" AutoEventWireup="false" Inherits="QueryStringSender" %>
<HTML>
<body>
<form id="Form1" method="post" runat="server">
<asp:ListBox id="lstItems" style="Z-INDEX: 101; LEFT: 21px; POSITION: absolute; TOP: 26px" runat="server" Width="204px" Height="188px"></asp:ListBox>
<asp:CheckBox id="chkDetails" style="Z-INDEX: 102; LEFT: 24px; POSITION: absolute; TOP: 224px" runat="server" Width="216px" Height="16px" Text="Show Full Details"></asp:CheckBox>
<asp:Button id="cmdGo" style="Z-INDEX: 103; LEFT: 24px; POSITION: absolute; TOP: 272px" runat="server" Width="152px" Text="View Information"></asp:Button>
<asp:Label id="lblError" style="Z-INDEX: 104; LEFT: 304px; POSITION: absolute; TOP: 64px" runat="server" Width="312px" Height="96px"></asp:Label>
</form>
</body>
</HTML>

<%--
using System;
using System.Collections;
using System.ruponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
public class QueryStringSender : System.Web.UI.Page
{
protected System.Web.UI.WebControls.ListBox lstItems;
protected System.Web.UI.WebControls.CheckBox chkDetails;
protected System.Web.UI.WebControls.Button cmdGo;
protected System.Web.UI.WebControls.Label lblError;

private void Page_Load(object sender, System.EventArgs e)
{
// Add sample values.
lstItems.Items.Add("A");
lstItems.Items.Add("B");
}
#region Web Form Designer generated code
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: This call is required by the ASP.NET Web Form Designer.
//
InitializeComponent();
base.OnInit(e);
}

/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.cmdGo.Click += new System.EventHandler(this.cmdGo_Click);
this.Load += new System.EventHandler(this.Page_Load);
}
#endregion
private void cmdGo_Click(object sender, System.EventArgs e)
{
if (lstItems.SelectedIndex == -1)
{
lblError.Text = "You must select an item.";
}
else
{
string url = "QueryStringRecipient.aspx?";
url += "Item=" + lstItems.SelectedItem.Text + "&";
url += "Mode=" + chkDetails.Checked.ToString();
Response.Redirect(url);
}
}
}

--%>

<%-- QueryStringRecipient.aspx
<%@ Page language="c#" src="QueryStringRecipient.aspx.cs" AutoEventWireup="false" Inherits="QueryStringRecipient" %>
<HTML>
<body>
<form id="Form1" method="post" runat="server">
<asp:Label id="lblInfo" style="Z-INDEX: 101; LEFT: 26px; POSITION: absolute; TOP: 25px" runat="server" Width="412px" Height="130px" BorderStyle="Groove" BorderWidth="2px" Font-Bold="True" Font-Names="Verdana" Font-Size="Medium" BackColor="LightYellow"></asp:Label> 
</form>
</body>
</HTML>

//File: QueryStringRecipient.aspx.cs
using System;
using System.Collections;
using System.ruponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
public class QueryStringRecipient : System.Web.UI.Page
{
protected System.Web.UI.WebControls.Label lblInfo;

private void Page_Load(object sender, System.EventArgs e)
{
lblInfo.Text = "Item: " + Request.QueryString["Item"];
lblInfo.Text += "<br>Show Full Record: ";
lblInfo.Text += Request.QueryString["Mode"];
}
#region Web Form Designer generated code
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: This call is required by the ASP.NET Web Form Designer.
//
InitializeComponent();
base.OnInit(e);
}

/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
this.Load += new System.EventHandler(this.Page_Load);
}
#endregion
}

--%>

</source>

==Showing QueryString values via the QueryString Collection in ASP.NET==



<source lang="csharp">
<%@ Page Language="vb" %>
<html>
<head>
<title>Showing QueryString values via the QueryString Collection in ASP.NET</title>
</head>
<body>

<%
Dim Counter1, Counter2 As Integer
Dim Keys(), subKeys() As String
Dim MyQueryStringCollection As NameValueCollection
MyQueryStringCollection=Request.QueryString
Keys = MyQueryStringCollection.AllKeys
For Counter1 = 0 To Keys.GetUpperBound(0)
Response.Write("Key: " & Keys(Counter1) & "<br>")
subKeys = MyQueryStringCollection.GetValues(Counter1) " Get all values under this key.
For Counter2 = 0 To subKeys.GetUpperBound(0)
Response.Write("Value " & CStr(Counter2) & ": " & subKeys(Counter2) & "<br>")
Next Counter2
Next Counter1
%>

</body>
</html>

</source>

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ASP.Net/Request/Query String - История изменений

в 15:30, 26 мая 2010

Admin: 1 версия