Forms Data Controls :: 'System.Web.UI.WebControls.GridViewRow.DataItem' Is A 'property' But Is Used Like A 'method'?

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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Class 'System.Web.UI.WebControls.TableRow' Cannot Be Indexed Because It Has No Default Property.

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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DataSource Controls :: DBType Error Type 'System.Web.UI.WebControls.Parameter' Does Not Have A Public Property Named 'DbType'

Feb 28, 2010

I had to format my hard disk and reinstall the Visual Studio 2005 Enterprise and SQL 2005 Standardprograms.

While my program worked perfectly before and still works ok on my second computer, I get the following error message on the formated computer:

Parser Error Message: Type 'System.Web.UI.WebControls.Parameter' does not have a public property named 'DbType'.

Source Error:

Line 82: <asp:Parameter Name="Olho" Type="String" />
Line 83: <asp:Parameter Name="image" Type="String" />
Line 84: <asp:Parameter DbType="Date" Name="inicio" />
Line 85: <asp:Parameter DbType="Date" Name="termino" />
Line 86: <asp:Parameter Name="pageId" Type="Int32" />

Source File: /0_oserigrafico/Default.aspx Line: 84

In this case I use a datasource control for a datalist and the parameter list is being built ba the system.
The DBType is created for the smalldatetime feild

how do I add the property named 'DbType'.

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Forms Data Controls :: System.Web.UI.Page' Does Not Contain A Definition For 'DataItem'

Jul 2, 2010

I have a problem that is really confusing me.. I'm trying get get info from a database and populate the relevant labels. I've got it working on one page, but not on another. The only difference is that the one that works is in a repeater.

My code is as follows:


The error I am getting is the following:

Compilation Error

Description: An error occurred during the compilation of a resource required to service this request. review the following specific error details and modify your source code

Compiler Error Message: CS0117: 'System.Web.UI.Page'does not contain a definition for 'DataItem'

Source Error:


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Forms Data Controls :: Unable To Cast Object Of Type 'System.Web.UI.LiteralControl' To Type 'System.Web.UI.WebControls.TextBox'

Jan 5, 2010

Unable to cast object of type 'System.Web.UI.LiteralControl' to type 'System.Web.UI.WebControls.TextBox'.


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Forms Data Controls :: Passing Container.dataitem As Method Parameter?

Apr 26, 2010

input type=..... value="<%= ISO3166CountryList.GetCountryByCode("IE", CurrentLocale).Name %>" />

I'm looking to replace the hardcoded IE with something like

<%#(Container.DataItem as PhoneNumber).ISO%>

No variations of what I've tried worked. How can I get a databinded value when within a <%= code block? Do I need to use an intermediary variable?

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Forms Data Controls :: How To Convert System.Web.UI.WebControls.TableCells To Float Type

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
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];

and I got this:

Compiler Error Message: CS0029: Cannot implicitly convert type 'System.Web.UI.WebControls.TableCell' to 'float'

Source Error:


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Data Controls :: How To Get GridViewRow Data OnClick Event Of Button Which Is Inside GridViewRow

May 7, 2015

I have a gridview i want to know how to get data of gridview row on button click

protected void Button1_Click(object sender, EventArgs e)
GridView grd = (GridView)((Button)sender).NamingContainer;
string name = grd.SelectedRow.Cells[0].Text;
[Code] .....

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CS1955: Non - Invocable Member "System.Web.UI.WebControls.GridView.DataKeys" Cannot Be Used Like Method

Mar 14, 2011

Back in my days, I had a gridview, that when a user clicked a select button in a templatefield, I could determine the row that the user selected. Trying to do the same in C#, but am lost in translation somewhere as it throws this error when trying to get the value. This is what I have, but it throws an error.


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Image.FromFile Method As VS2010 Detectss The Image Class Is In System.Web.UI.WebControls Namespace?

May 20, 2010

When I move some web-based code from VS2008 to VS2010, I find it is different when it is hard to handle the Image class.

Let's take the following code as an example.


As I have already imported the System.Drawing namespace, I still cannot use Image.FromFile method as VS2010 detectss the Image class is in System.Web.UI.WebControls namespace.I have lots of such a kind of code in my project using Image class and I will get messed if need to modify the code from


Since I also used image in my variable name.

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Fix Error : "Type System.Web.UI.WebControls.CreateUserWizard" Does Not Have Public Property Named LayoutTemplate"

Sep 24, 2010

i am usingVWD 2010 andwant to create a website supported under .net 3.5. The deafault mater page has the loging pgaes already set up (.net 4.0) which is very good and helping to start. But once i changed my project to run under .Net 3.5 , i could not have the account register webpage working and getting this error : Parser Error Message: Type 'System.Web.UI.WebControls.CreateUserWizard' does not have a public property named 'LayoutTemplate'.

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Web Forms :: System.Web.UI.WebControls.Literal' Does Not Allow Child Controls

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.


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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Forms Data Controls :: How To Set The Display Culture Of A "System.Web.UI.WebControls.Calendar" To Use A Specific Culture

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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How To Enable Ajax When Deriving From System.Web.UI.WebControls.WebControl On Controls

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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Forms Data Controls :: Comparing Data In A System.Web.UI.WebControls.ListView "ListView"

Oct 26, 2010

I have a listview and a dropdownlist that is pulling from an SQLTable that I am using to insert data into the ListView, which is associated with the SQLTable. For the life of me I cannot figure out how to get this thing to not allow duplicate entries into the listview.

If I could get at the data that is inside the ListView I think my problem would be solved. At the moment all the code I have is to simply find if I can at least get the data down to something I can compare, from that step I will have no problem writing something functional, at least functional for my needs. I really could use a hand with this:


I don't personally have access to the SQLTable, but I can have somebody make changes if this should/needs to be done from that end, but I would rather do it from this end in VB. I've been digging through the MSDN Libraries

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Custom Server Controls :: Inheriting From / Extending System.Web.UI.WebControls.Calendar?

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:


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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Forms Data Controls :: DataBinding: 'System.Char' Does Not Contain A Property?

Jul 30, 2010

I am having a problem about my gridview when it binds to an accessdatasource.

The error appears:

"DataBinding: 'System.Char' does not contain a property with the name 'Firstname'."

Here's my gridview:


Here's my code behind:


The error occurs when the selected index of the DDL is 1 and I have to bind it in an accessdatasource. First condition is working fine where I will check a value and put all items that matched the date criteria in a data table and then bind gridview in the data table.

The error is just when I bind my gridview in the accessdatasource.

AccessDataSource1.SelectCommand = "Select Firstname,Middlename,Lastname,Jobseeker.IdNo,SchDate,Time,Venue,JobPosting.JobCode,JobTitle from JobPosting INNER JOIN (Jobseeker INNER JOIN ApplicationProgress ON Jobseeker.IdNo = ApplicationProgress.IdNo) ON JobPosting.JobCode
= ApplicationProgress.JobCode where PostingHr = " & Session("Id") & " and SchDate = '" & Date.Today.ToString("dd - MMM - yyyy") & "' "
GridView1.DataSource = "AccessDataSource1"

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C# - Get A Value Out Of A DetailsView DataItem Property

Feb 25, 2011

I am accessing a DetailsView from the following event

public void dvDetails_DataBound(Object sender, EventArgs e)

I am casting the sender to my detailsview like so

DetailsView dv = (DetailsView)sender;

Now when I look in "dv" I can see the DataItem property has the data I want in it under a field name, but I dont know how to write the code access the value??

The field name is shown in the dataitem property as "_DTMON_F", I tried to say

Datetime myDate=dv.DataItem["_DTMON_F"]

BUT C# doesnt like the syntax

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Forms Data Controls :: DataBinding: 'System.Char' Does Not Contain A Property With The Name 'UserId'.?

Jul 28, 2010

Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs)

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DataSource Controls :: Error - Cannot Implicitly Convert Type 'string' To 'System.Web.UI.WebControls.TextBox

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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Forms Data Controls :: 'System.Data.DataRowView' Does Not Contain A Property With The Name

Apr 2, 2010

DataBinding: 'System.Data.DataRowView' does not contain a property with the name '@CACODE'.

Tried some ways.. The code:


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Web Forms :: The Displayproperty Of A Control Type System.Web.UI.WebControls?

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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Forms Data Controls :: Can Bind Any Type Of System.Collection To DataSource Property Of A DataGrid

Nov 11, 2010

can we bind any type of System.Collection to DataSource property of a DataGrid ?

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Unable To Cast Object Of Type 'System.EventArgs' To Type 'System.Web.UI.WebControls.FormVi

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'.

The program ( works fine with FormView1_ItemCommand and FormView1_ItemInserted events but strangely objects to FormView1_ItemCreated. Is it only a VC# event?

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Web Forms :: System.Web.UI.WebControls.ListItemCollection.FindByText(string)' Has Some Invalid Arguments

Jun 16, 2010

I am using one dropdown list using following tag


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.


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