C# - Storing HTML In SQL And Accessing It Through Gridview?
Aug 31, 2010
I am storing small webpages in html format in a varchar(max) column in MS SQL server 2008. Now I want the gridview to show the column as a button/hyperlink such that when I click it, I will be redirected to a new webpage which will render the html in the table corresponding to that row.
I tried using the buttonfield control but there doesn't seem to be any way I can access the datafield and underlying html in that case.
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Jun 27, 2010
I have the following html in my gridview in an item template :
<a
href="<%#Container.DataItem("ReciprocalURL")%>"
target="_blank"
title='<%#Container.DataItem("ReciprocalURL")%>'
id="recip">
So I thought that you could use id="name" and access this just like an ASP control such as <ASP:Checkbox
or <ASP:Label etc. My code continues to caugh and state object not set to an instance of an object when I uncheck my checkbox
Line 741: ElseIf Not Me.CheckBox1.Checked Then
Line 742: Dim row As GridViewRow = gvLink.SelectedRow
Line 743: Dim recip As HtmlAnchor = TryCast(row.FindControl("recip"), HtmlAnchor)
Line 744: Response.Write(recip)
Line 745:
[Code]....
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Oct 1, 2010
I'm using Cute Editor for ASP.NET for the first time, and it's occasionally refusing to insert or update a record. Basically the records are just composed of a bunch of HTML and text. So far I can't detect a pattern to the problem and I'm wondering about my data type.
I tried VARCHAR(MAX), NVARCHAR(MAX), and NTEXT, doesn't seem to fix it.
So what is the best SQL data type for HTML?
And could that be causing CuteEditor to refuse to insert/update records? Or something else?
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Nov 29, 2010
I'm building a page in asp.net that will use tiny mce to provide a rich text editor on the page. Tiny mce outputs the rich text as html which I would like to save to a database. Then at a later date, I want to pull the HTML from the database and display it in a page.
I'm concerned about allowing malicious html, js tags into my database that would later be output.
I should html encode/decode etc. to prevent a persistent xss attack and or sql injection attack?
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May 18, 2010
I am building a web site similar to Craigslist. I would like to know how to store the html formatted text (bold / italics / font size etc) in a sql 2008 database?In order words, the user would enter their text, format it with font size, bold etc and save the information. Whats the most efficient way to store that in a database?
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Mar 17, 2010
I was wondering if anyone had a tutorial or overview of the best way to store html in a MS SQL database, and then calling it back up and displaying it and should I save the decoded html in ntext?
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Jun 9, 2010
Is there anyway to access HTML tags using C#? For example, I am able to change the text of the ASP Label, but not the HTML label in the below example.
[Code]....
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May 11, 2010
I was able to acces an HTML element from my c# code this way:
Page.Request.Form["Name"].ToString(), where name was an html element:
<input id="Name" style="z-index: 102;" type="file">
Now that I put this html inside a Tab containe (subpanel) the Page.Request.Form["Name"].ToString() fail, actually while I was debugging I could not find this element inside Page.Request.Form.
maybe there is another way of accessing the Html element from my c# code?
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Feb 24, 2010
I need to take information in ASP.net profile and add it as a parameter to html input control as follow:
html snippet is as follows:
<input
type="button"
onclick="javascript:DelvePlayer.doLoadChannel('mediaid');"
value="Load Channel"/>
code behind
{
ProfileCommon oProfile = Profile.GetProfile(HttpContext.Current.User.Identity.Name);
where
oProfile.mediaid is the oarameter required in <input> parameter doLoadChannel(mediaid)
I have tried a number of approaches to get a member of ASP.net proviles as a parameter of the function called by the control "input"
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Aug 13, 2010
In a webforms application, it's possible to add a server control to the markup and then access that control from the corresponding code behind file, but I'm not sure of the MVC equivalent of this functionality.
I've been looking at some tutorials, and it appears that in MVC applications, instead of using server controls, the examples are using HTML helpers, such as Html.TextBox, etc.
However, while I can find examples html helpers in views, I can't find any examples of how these helpers are accessed in the controllers, so I've declared an Html.TextBox in my view but don't know how to access its value in the controller when I hit enter.
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Sep 20, 2010
i have a usercontrol with a few dropdownlist....n i am using that usercontrol in few pages and depending on pages those dropdownlist can be enabled mode or disabled mode.
so i created a property:
[Code]....
Now i am accessing in HTML as
[Code]....
it seems to work.
Just curious know that am i going in right direction or any better approach is available?
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Feb 23, 2010
I am trying to figure out if the htmleditor contains a textbox within ajaxhtml editor control. If it does, i would like to find the textbox control so i can work with the textbox properties and set properties as needed, for example: rows, columns, ontextchange properties.
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Feb 27, 2010
Following code is an example, I just want to know if this can be done. I have an test.aspx file with this server side include tag;
<!--#include file="listOfCountries.htm" -->
Within listOfCountries.htm, I have:
<html>
<div>
<select id="countryList" runat="server">
<option></option>
...
</select>
</div>
</html>
Now, Is there a way to access "countryList" in test.aspx.cs file? On another note, say I didn't have the #include "Countries.htm" in test.aspx, is it possible to access the controls within Countries.htm from test.aspx.cs ? (i.e. accessing an external html file controls in cs)
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Mar 24, 2010
Is it possible to access the html markup of programmatically created controls, and if so, how?
In c# you can write things like:
[code]...
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Jan 8, 2011
Is it possible to accessing a HTML button's value from code behind file?
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Mar 26, 2010
I wanted to know whether this is possible or not. I have a page with a div. I populate div at run time with a HTML table I wanted to access that table to get the data back.
I am trying with ParseControl() method... Not success Yet.
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May 11, 2010
I have a File Uploader in my ASP.NET application Using C#, we can upload any type like images, documents, pdf etc.
I m storing it in the Filesystem and having only the Name of the File in DB.My doubt is can we store the entire file, images in DB. State me Which is good practice and why we need to use it.
Either file System Storage or SQL DB Storage.
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Jun 10, 2010
does anyone know how to access a webpart using the HTML Document Object Model? for example: for a given page which contains a webpart manager and a webpartzone.
[Code]....
I cant access the custom control using the HTML DOM Like this: HtmlDocument doc = HtmlPage.Document;
HtmlElement element = doc.GetElementById("HostTest");
HtmlElement element1 = doc.GetElementById("silverlightControlHost");
HtmlElement element2 = doc.GetElementById("WebPartZone3");
HtmlElement element2Parent = element2.Parent;
HtmlElement element3 = doc.GetElementById("SLRoomConsumerPart1"); //element3 does not return anything at all just Null!
all of the other elements are returned except for element 3 which returns a null! Any controls (regardless if it is a custom control, ASP control, Usercontrol . i tried it by replaceing the custome control with an aspnet button. i go t a null value as well) placed in the <ZoneTemplate> Tag of the <WebpartZone> is not returned using the HTML DOM. I find this stupid and pointless, as the whole point of a webPart is that you can place all sorts of controls in it :
customcontrols, usercontrols html controls, html server controls, aspnet controls and you cant seem to get access to those controls using the HTML DOM model in codeBehind
<asp:WebPartZone ID="WebPartZone3" runat="server" Height="90%" Width="
<ZoneTemplate>
<cc1:SLRoomConsumerPart ID="SLRoomConsumerPart1" runat="server" />
</ZoneTemplate>
</asp:WebPartZone>
HtmlDocument doc = HtmlPage.Document;
HtmlElement my_WeBpart_Element = doc.GetElementbyId("myCustomWebPartControl1")
can anyone point me to a solution or a work around as i am trying to access the dom from silverlight 3 but should be exactly the same as doing it from the webpart'shosting page's code behind. so that i can reference the controls inside my web part from the code behind of the custom page once i get hold of the webPart Element referece.
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Feb 8, 2011
I have a question about asp.net
I have this table with checkbox for each row:
[URL]
table code inside the ASPX page:
[URL]
So I'm trying to implement the delete selected button.. How exactly do i point to the specific checkbox for a particular row from codebehind when all 3 have the same name chkSelected? I know how to do it with a gridview, but not quite sure how if we do it with a for loop..
Can I do something like this inside btnDelete_Click?
[Code]....
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Jan 4, 2010
I am using the <input type="file" /> tag to upload a file to the server. How do I access the file at the server side and store it at the server? (The file is an image file)The client side code is :
<form id="form1" action="PhotoStore.aspx" enctype="multipart/form-data">
<div>
<input type="file" id="file" onchange="preview(this)" />
[code]...
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Jan 10, 2011
I created a aesthetic control that creates two lists in seperate div tags organized with a table for each. The control always the user to click on the img tag associated with each item to move it between the two lists. I am doing all the movement between the lists via javascript and want to have a good method for obtaining the values and storing them in two lists upon Postback. I thought of doing something like storing the indexes/classes in hidden values and them reading them to find the items but that seems messy. Also, thought there might be a clever way of traversing the DOM via FindControl() but not sure. Any input would be great.
One other thing is that this is not a composite control. All the tags are being rendered in the RenderContents() method. So I don't know if there is a way to even tack on a runat="server" attribute to an elem like I normally would if I wanted code behind access to an html element.
Here is the HTML that is generated. I don't think there is need to post the server side code since it does nothing more than generate the html at this point.
<div class="DualListPanel" id="test1">
<div key="test1_Unassigned">
<table class="DLPTable">
<tr>
<td>Item 1</td>
<td><img src="..." onclick="Move(this)" /></td>
</tr>
<tr>
<td>Item 2</td>
<td><img src="..." onclick="Move(this)" /></td>
</tr>
</table>
</div>
<div key="test1_Assigned">
<table class="DLPTable">
</table
</div>
</div>
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Nov 4, 2010
[code]...
How do I correctly define my boolean expression? I've been looking, but haven't found the right syntax.
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Oct 18, 2010
I have a gridview and a checkbox. I am able to pass the checkbox id to a textbox in the same page. This is then passed as a session variable. However, when I place an option to page and select the checkbox items in the next page, the session variable resets.Please see below code, how do I store "all checkbox" throughout all paging and store it in the session page?
[Code]....
Behind code VB:
[Code]....
[Code]....
[Code]....
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Feb 11, 2010
I've been strugglying with this for some time now and I cannot seem to find what I'm doing wrong. I have a gridview with a hyperlink field, so when the user clicks on the hyperlink it takes them to the next page but I want to store 2 field value's in session. I've tried it the url way but I get a "Input string was not in a correct format"
and for security reasons I dont think its the best way, the only other way is for it to be stored in session.
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Sep 20, 2010
i have a grid view with radio button...schedule/approve/reject...by defualt schedule radio button is selected....but when i chage radio button selection option to anyth other than schedule it still store only schedule in DB.wats the pblm?
[Code]....
[Code]....
when i click submit button i got this error
Invalid postback or callback argument. Event validation is enabled using <pages enableEventValidation="true"/> in configuration or <%@ Page EnableEventValidation="true" %> in a page. For security purposes, this feature verifies that arguments to postback or callback events originate from the server control that originally rendered them. If the data is valid and expected, use the ClientScriptManager.RegisterForEventValidation method in order to register the postback or callback data for validation.
so i set the enableeventvalidation=false
now i dint receive any error but when i set breakpoint on the funtion which called on buton clik it still got the value as scheduled for the radio button..spent almost half day for this.. all this while this was workin after i add the moralpopupextender am facing this pblm...now i tried removin that extender but still pblm exist.
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