Web Forms :: Set UICulture To A "System.Web.UI.WebControls.Calendar" Control?
Jun 23, 2010
I need to develop a custcalander which will have a textbox calendar control and drop down to change year and << < Dropdown To change year > >> and user can enter time and can click on Submit button. When user clicks on this button the data will be applied to the text box in this same custcalander control. I have an image button and on click i am opening the calander control and after user selection of date and time and when user clicks on submit i am assigning the date and time to the textbox in the calendar control. I tried it but have problem with the culture. Can somebody tell me how to acheive this? I know it is a big requirement. I wrote code and the link to that is
[URL]
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Dec 16, 2010
This is my first "request for help" post - I've spent the past few weeks helping others, so I'm hoping someone can shed some light here.I've dealt with server controls before, so it's not new to me, but it was some time ago and I'm a bit rusty. I have an inherited calendar control, that works fine:
[Code]....
I've overriden the Render method, hoping to be able to modify the HTML output of the control - I want to hide the back arrow if the Month & Year in MinDate is reached in the calendar, and the same goes for MaxDate and the forward arrow.On top of this, I want to be able to display icons in the day cells, under certain data-bound conditions. Once I've figured one out, I'm sure I'll be able to work the other one out.Are there any other methods, events or properties more suitable for this? Are there any other controls that do what I'm looking for that I've maybe overlooked?I'm using C#.Net 4.0 Webforms - it's a very small app, so I've not used MVC etc... just a few LINQ queries to the database.
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Apr 28, 2010
'm getting the above error on one server (production of course, it's always production). On two other servers and in my local dev server, the exact same code runs fine. I do see the Display property has ThemableAttribute(false) in the documentation, so the fact that it IS working seems to be the anomoly, but how could this be working in 75% of the environments I'm testing in?
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Jun 1, 2010
I created a custom clander server control basing on "System.Web.UI.WebControls.Calandar" and when i change the culture from login Screen (Ex:- Spanish) i am setting only the UI Culture in the page base class. When i had the Both "CurrentUICulture" and "CurrentCulture" set i could see the Day (Mon Tue) of the my custcalander control in the corresponding culture, but when i commented out i see them in English only (not in the corresponding culture set while loggin in. The reason why i commented out the "CurrentCulture" was that when i set this the middle tier or code behind files also running in this culture (as we are setting on the CurrentThread culture) and causing decimal data coming in this culture (Ex:- spain) and so on. So i only set the "CurrentThread.CurrentUICulture" only to corresponding culture and not the "Thread.CurrentThread.CurrentCulture". Is there a way to acheive this, i mean How to make the Day (Ex:- Mon, Tue, Wed) in the corresponding culture with out setting "Thread.CurrentThread.CurrentCulture"?
/// <summary>
/// Current selected culture
/// </summary> [code]....
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Sep 2, 2010
I have a application which uses webparts and 1 control is also a Script Control.So my user controls are derived from System.Web.UI.WebControls.WebParts.WebPart which makes them webpartsI have everything setup and working fine as far as the personalization and webpart goes... every thing displays and works fine.Except that 1 of my control needs to do a bit of work in the OnPreRender event and it turns out that event only gets fired when a user is loged in the application
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Aug 31, 2010
my user controls are derived from System.Web.UI.WebControls.WebParts.WebPart which makes them webparts.I have everything setup and working fine as far as the personalization and webpart goes... every thing displays and works fine.Except that 1 of my control needs to do a bit of work in the OnPreRender event and it turns out that event only gets fired when a user is loged in the application.
Protected Overrides Sub OnPreRender(ByVal e As EventArgs)
If Not Me.DesignMode Then
Me.isloaded = True
' Test for ScriptManager and register if it exists
sm = ScriptManager.GetCurrent(Page)
[code]...
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Jan 5, 2010
Unable to cast object of type 'System.Web.UI.LiteralControl' to type 'System.Web.UI.WebControls.TextBox'.
[code]....
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Feb 16, 2011
am duplicating a site from a prexisting site. I am getting the error 'System.Web.UI.WebControls.Literal' does not allow child controls when my web application goes to process a function that implements keywords, description, title ect for a webpage. This is quite perplexing as it i not doing this in the website i duplicated from.
[Code]....
it looks at Header, i dont think it can find the definition in this second website so it is returning System.WEB.UI.EmptyControlCollection. In the first website it is returning System.Web.UI.ControlCollection. Also when I go to the definition for Header, it opens up the Metadata definition in the first website. In the Second, it says "Cannot navigate to definition".
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Nov 24, 2010
Protected Sub FormView1_ItemCreated(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.FormViewCommandEventArgs) Handles FormView1.ItemCreated
Causes Unable to cast object of type 'System.EventArgs' to type 'System.Web.UI.WebControls.FormViewCommandEventArgs'.
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Jun 16, 2010
I am using one dropdown list using following tag
[Code]....
FYI, In databse I have stored dropdown item text, not value.
Now whenever I try to set the selected item using following code, I am getting error System.Web.UI.WebControls.ListItemCollection.FindByText(string)' has some invalid arguments.
[Code]....
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Feb 5, 2011
I have a GridView with geography data in th cells. When iterating through the rows and creating a list and array, I have
GpsPoint[] GpsArray = new
GpsPoint[counter];
List<string> LineLista =
new List<string>();
foreach (GridViewRow row
in GridView1.Rows)
{
int i = 0;
GpsArray[i].Geolat = row.Cells[3];
GpsArray[i].Geolong = row.Cells[4];
LineLista.Add(row.Cells[2].Text);
i++;
}
and I got this:
Compiler Error Message: CS0029: Cannot implicitly convert type 'System.Web.UI.WebControls.TableCell' to 'float'
Source Error:
[Code]....
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Mar 29, 2010
I tried translating this from vb but getting the error on e.Row.DataItem("CustomerID").ToString i tried varios things but no gooddbSrc.SelectCommand = "SELECT * FROM Orders WHERE CustomerID = '" + e.Row.DataItem("CustomerID").ToString + "' ORDER BY OrderDate";
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Apr 23, 2010
am trying to loop through checkboxes, but getting an error, in the red line below and also with this
Dim b As CheckBox = ' DirectCast(a, CheckBox)
Compiler Error Message: BC30311: Value of type 'String' cannot be converted to System.Web.UI.WebControls.CheckBox'.
Source Error:
[code]....
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Aug 9, 2010
I use to store image in bytes and able to convert it to system.drawing.image but not sure how to render it on page
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Jan 24, 2011
I have on my page.aspx CheckBox with IDs representing the month.
<asp:CheckBox ID="January" runat="server" Text="Janvier" />
<asp:CheckBox ID="Febuary" runat="server" Text="Fevrier" />
<asp:CheckBox ID="March" runat="server" Text="Mars" />
<asp:CheckBox ID="November" runat="server" Text="Novembre" />
<asp:CheckBox ID="December" runat="server" Text="Decembre" />
The ChecBox will be selected according to the user need: 1, 2, 3 or plus... When the page is fired, I wanted to get in the code behind the box which are checked so I can build a query consequently. So in the code behin, i wrote this:
Dim MyCheckBox As CheckBox
Even if I try Dim MyCheckBox As New CheckBox I was getting the same error below.
For Each MyCheckBox In Form.Controls
For j As Integer = 1 To 12
If TypeOf MyCheckBox Is CheckBox Then
MyCheckBox.ID = MonthName(j)
If CType(MyCheckBox, CheckBox).Checked = True Then
TargetedFieldName = MyCheckBox.ID
'Build a query against tables
MyCheckBoxCollection += TargetedFieldName & ", "
End If
End If
Next
Next
I'm getting right after For Each statement this error: Unable to cast object of type 'System.Web.UI.LiteralControl' to type 'System.Web.UI.WebControls.CheckBox'.
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Jul 13, 2010
Code:
txtID = CType(GridView1.Rows(e.RowIndex).FindControl("TextBox1"), TextBox)
txtName = CType(GridView1.Rows(e.RowIndex).FindControl("TextBox4"), TextBox)
now i converted it into c# using the converter and i get this:
Code:
txtID = (TextBox)GridView1.Rows(e.RowIndex).FindControl("TextBox1");
txtName = (TextBox)GridView1.Rows(e.RowIndex).FindControl("TextBox4");
but i am getting this error:
Non-invocable member 'System.Web.UI.WebControls.GridView.Rows' cannot be used like a method
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Feb 26, 2010
I've built a class that derives from System.Web.UI.WebControl. It basically renders pagination links (same as what you see on top of GridView when enabled) for use above a repeater.I'm creating some anchor tags explicitly inside my nav control obviously, but they don't perform ajax postbacks. My understanding is that ajax requires POSTS to work right? Well, these would be GETs
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Mar 11, 2011
What i am having trouble doing is set the current parameter to the current row at a specific column like e.row[column index]
For Each trow As TableRow In table.Rows
cmd1.CommandText = "dbo.directway"
cmd1.CommandType = CommandType.StoredProcedure
cmd1.Connection = conn [code]....
Class 'System.Web.UI.WebControls.TableRow' cannot be indexed because it has no default property.
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Jan 4, 2010
have an issue with a list box. I populate the list box using :
listbox1.datasource = myCollectionOfCars
listbox1.databind()
When i go to retrieve the selected item from the listbox using
Car myCar = (Car)listbox1.selecteditem;
an error is generated
cannot cast expression type system.web.ui.webcontrols.listitem to type car
i have read several tutorials and many of them use the above code.
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Mar 1, 2011
Periodically a rash of occurrences of the following error happen. I believe they're the result of hack attempts. Whether that's the case or not, my question is how can I handle the error? I want to avoid unhandled exceptions. The TreeView control is just
a standard .Net TreeView control, not a custom one. If you suggest a code solution, please code it in VB.Net as that's what I'm using.
Message: Input string was not in a correct format.
Stack Trace:
at System.Number.StringToNumber(String str, NumberStyles options, NumberBuffer& number, NumberFormatInfo info, Boolean parseDecimal)
at System.Number.ParseInt32(String s, NumberStyles style, NumberFormatInfo info)
at System.Web.UI.WebControls.TreeView.LoadPostData(String postDataKey, NameValueCollection postCollection)
at System.Web.UI.WebControls.TreeView.System.Web.UI.IPostBackDataHandler.LoadPostData(String postDataKey, NameValueCollection postCollection)
at System.Web.UI.Page.ProcessPostData(NameValueCollection postData, Boolean fBeforeLoad)
at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
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Sep 15, 2010
I'm making the leap to move from vb.net to C#, and I'm getting this crazy error when I try to execute one sp, set a value, and then execute another sp based on the value. proc_GetSectionDetails is my first stored procedure. From that, I get a value for SectionID, and then use it for the second sp called proc_GetSectionDetails
[Code]....
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Nov 26, 2010
I am trying to pass a collection of Dropdown controls as a parameter to a method which takes a collection of type Control as input. While executing I get the following error:
"Unable to cast object of type 'd__a31[System.Web.UI.WebControls.DropDownList]' to type 'System.Collections.Generic.IEnumerable1[System.Web.UI.Control]'."
My code:
[code]....
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Feb 19, 2010
I added a button click event to my project as:
But since this i am getting this error saying:
Cannot implicitly convert type 'string' to 'System.Web.UI.WebControls.TextBox
There seems to be no error in my code.
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Mar 14, 2010
I have an application which has a default.aspx page. Inside the default.aspx page i have several <asp:placeholders>. I also created several webcontrols.
<asp:PlaceHolder id="headerPlaceHolder" runat="server">
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Aug 3, 2010
All i did is added an existing webform from vs 2003 project to vs 2008. with Listbox1 control this error is appearing. value of type system.web.ui.webcontrols.listbox cannot be converted to "myprojectname.listbox"
i also have the control defined on the top: Protected WithEvents Listbox1 As System.Web.UI.WebControls.ListBox I have converted lot of pages which were used in vs 2003 to vs 2008 without any problem, also tried to right click teh webform and go to code gen file , but the file is not coming up.
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