MVC :: Dynamically Adding TextBox And Verifying Value?
Feb 22, 2011
I have following DropDownList entry in partial View.
<%: Html.DropDownListFor(model => model.Category, new SelectList(new[] { "Airport", "Bar", "Club", "Other" }))%>
I want to execute following lines only if user has selected "Other" from dropdownlist. Could you please tell me how to do this?
<%: Html.TextBoxFor(model => model.Category) %>
<% Html.RenderPartial("ImagePicker", new ImagePickerViewModel() %>
Moreover, I want to make sure that when user clicks Save button(available on view), he has inserted the valid image name and selected the Image otherwise display error.
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Jan 29, 2010
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public ActionResult Foo() {}
[AcceptVerbs(HttpVerbs.Post)]
public ActionResult Foo(string id, Account accountToFoo) {}
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Route().
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Jun 21, 2010
I have a table with 4 cells and three rows. All rows have a textbox in it. I have a button at the top. I want to add a new row in that table when that button ic clcikded with same formatting as above row. Above row format is like this.
<tr valign="top">
<td>1.
</td>
<td align="left">
<asp:TextBox ID="txtC1Fname" runat="server" Width="150px"></asp:TextBox>
</td>
<td align="left">
<asp:TextBox ID="txtC1LName" runat="server" Width="150px"></asp:TextBox>
</td>
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</td>
</tr>
How Can I do this ?
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Apr 21, 2010
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Jul 22, 2010
here is the requirement:
i have a lable a textbox, and two buttons(+ and - button) on my asp.net page.
so when i click on the plus button it should add the the whole collection of controls to the page(i.e. lable, textbox and two buttons). And when i click on minus button it should remove the collection.
This should go on.meaning whenever i click on any plus button the control collection should get added to the page.
I am wondering what will be the best approach to do it.
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Mar 19, 2010
What are the best practices implementing this situation:
Members Area:
Name Age Location Contact Num
Joe 16 New York xxxxxx Add Button
Save Button
Once the Add button would be clicked, another set of entries can be entered below the previous row.
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Nov 18, 2010
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<ul>
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Apr 1, 2011
I have a page with a dynamically created command button. I need to dynamically wire up a click event so I can grab the CommandArgument of the clicked button.
Button b = new Button();
b.ID = "btnTrigger2";
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EDIT
Figured I'd post the code that finally worked in case anyone else tries to do the same thing.
string tabLoadedScript = string.Empty;
string postBackScript = string.Empty;
string script = " <script language='javascript' type='text/javascript'>" + System.Environment.NewLine;
script += "function clientActiveTabChanged(sender, args) {" + System.Environment.NewLine;
int i = 0;
foreach(TabPanel tp in tc1.Tabs)
{
Button b = new Button();
b.ID = "btn" + tp.ClientID;
b.CssClass = "hiddenBtn";
b.CommandName = tp.ID;
b.Command += btnTrigger_Click;
this.form1.Controls.Add(b);
AsyncPostBackTrigger trg = new AsyncPostBackTrigger();
trg.ControlID = "btn" + tp.ClientID;
tabLoadedScript += "var isTab" + tp.ClientID + "loaded=$get('" + tp.Controls[0].ClientID + "');" + System.Environment.NewLine;
postBackScript += "if(!isTab" + tp.ClientID + "loaded && sender.get_activeTabIndex() == " + i + ") {" + System.Environment.NewLine;
postBackScript += "__doPostBack('" + b.ClientID + "','');}" + System.Environment.NewLine;
i++;
}
script += tabLoadedScript;
script += postBackScript;
script += "}" + System.Environment.NewLine;
script += "</script>";
this.ClientScript.RegisterClientScriptBlock(this.GetType(), "cs", script, false);
protected void btnTrigger_Click(object sender, CommandEventArgs e)
{
System.Threading.Thread.Sleep(2500);
Panel ctrl = (Panel) FindControlRecursive(this, "pnl" + e.CommandName);
ctrl.Visible = true;
}
public static Control FindControlRecursive(Control Root, string Id)
{
if(Root.ID == Id)
return Root;
foreach(Control Ctl in Root.Controls)
{
Control FoundCtl = FindControlRecursive(Ctl, Id);
if(FoundCtl != null)
return FoundCtl;
}
return null;
}
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Jun 22, 2010
I'm listing some controls at my web page dynamically, either I'm adding newline with Label's.
Label newLine = new Label();newLine.Text = "<br/>"; myPanel.Controls.Add(newLine);
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Mar 16, 2011
i just came up with the reading, Writing and adding values dynamically in web.Config in asp.net. Have many ideas in mind, but i just wana know what is the best way of adding values in web config dynamically.
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I want to dynamically add the value of query string, taking inputs from the database and thus building a link. I want this to work in an ASPX page.
Here is the snippet of what I want to achieve:
<asp:HyperLink NavigateUrl=""></asp:HyperLink>
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However, this doesn't seem to work properly.
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Mar 27, 2011
I have a custom webpart which i am adding to webpartzone dynamically.., in the custom webpart am loading a usercontrol which has Gridview in it with data. On the page load it is working fine, when i click the paging button of the gridview , then nothing is visible on the page...
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Dec 20, 2010
I have a web form that insert a City recordinto DB.i need to upload images for each city, beacuse of the relationship between city and image is 1-Many.i want to design a from that user enter city info and below that form be a fileuploadcontrol say fileuploadcontrol1, if user browse the fileuploadcontrol1, another fileuploadcontrol, say fileuploadcontrol1 added to, if user browse fileuploadcontrol1, fileuploadcontrol2 added to from and so on, so user can upload as many as files he want. i want this without postback i mean with AJAX.
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Mar 9, 2011
i am hari,i am working on asp.net 1.1,i want to update meta tag content in page load, htmlmeta isnot working in asp.net 1.1
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Jul 13, 2010
I have seen code for adding columns at runtime but here is another scenario for you. I am using a SQLDatasource control for my gridview. And the data returned can have different columns based on the filter meaning one time I may have a column A1, A2, A3 and another time I may have A2, A3, A4. Is there any way I can look at the columns when it is binded at the beginning and add the columns first?
I really need to use the SQLDatasource though because I am connecting to an AS400 and it is using a connection already made in the webconfig and do not know any other way. I do if it was MSSQL server but not this.
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Feb 20, 2010
I am adding controls dynamically in my webpage.
I add them in onload method.
everything is working fine..
But I m a bit confused about how it works..
I have read in so many articles that all controls get their values from viewstate before load event. Then how my dynamically added controls get their values when i am adding them in OnLoad event ie after LoadPostData event.
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Dec 6, 2010
I am trying to add wizard steps dynamically in code-behind but keep getting an exception
"ActiveViewIndex is being set to '0'. It must be smaller than the current number of View controls '0'. For dynamically added views, make sure they are added before or in Page_PreInit event."
I found I have some fundamental error in my building, since I got this error after trying to build the simplest wizard in a new web-site just opened...
[code]....
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