Forms Data Controls :: How To Protect Template Fields In Any Data Presentation Control

Jun 17, 2010

I understand in a gridview that is databound by default HtmlEncode is set to trueHow do I protect template fields in any data presentation control?

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Similar Messages:

Forms Data Controls :: Formview Insert Template Fill Like Edit Item Template For All Fields

Mar 3, 2010

I have a formview with various templates set up for a database that has 255 columns. I need the insertitemtemplate to pre-fill values based upon a specific selection by the user (just like the edit item template) but when the template is switched to insertitemtemplate every text box is cleared. The idea is that a new entry is usually made by making minor changes to an existing entry. With 255 fields I don't want to require the user to enter every field when only three or four need to change.

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Forms Data Controls :: Any Data Presentation Control With Custom Paging?

May 1, 2010

My question is if my page size is 10 records per page and my query returning 100,000 rows then remaining all records are not in use for that page.

Is there any way so I can only fetch records from table as page size (10) with all page numbers at bottom and fetch next 10 records only when user clicks on next page number?

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Forms Data Controls :: Display Data From This Table In A Gridview Using Template Fields

Oct 26, 2010

I have a datatable with the following column names

ProviceID, ProvinceName, Year,
TPM, PM 10, PM 2.5, B(a)p

I'm trying to display data from this table in a gridview using template fields. Here's an example of a label in my item template

[Code]....

When i bind data to this grid view, i get an error saying column "PM 2" was not found. For some reason, the program is dropping the .5 from the column name. I am exploring the possibility of replacing the number with alphabets only but this may not be possible as the end user may not find it user friendly. Is there a way for me to get around this problem? I get a similar problem with B(a)p, it drops everything after the B. Any ideas on how to get the gridview to bind column names with special chars in it?

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Forms Data Controls :: Paging In A Gridview With Template Fields?

Aug 18, 2010

I have a gridview with a template field in it.How can i do paging in a gridview with template fields?

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Forms Data Controls :: How To Bind A Textbox In A Template Fields Programmatically

Feb 6, 2010

I have a gridview to which I'm adding template fields programmatically. Each of the template fields have a textbox. I would like to make this text box have 2-way binding to a database column. see below code.

[Code]....

I'm calling the above class as follows

[Code]....

How can I make the text box such that when I edit the text, this change is reflected in the database as well?

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Forms Data Controls :: GridView Delete Command Fires Error When Using Template Fields Inside

Mar 6, 2011

I have visual 2010 with net 3.5 web app. I was implementing EntityFramework in my project and added a gridview to a entity source control. It worked ok, with select, update, and delete buttons enabled on the grid. But then, i needed to add a template field bound to a Foreign table, so my users select value from a list instead of writing the code. After that, my app fires error when i delete. I tried everything, inclue dakeyNames, write code on my RowDeleting, RowDeleted, RowCommand, but error persists.

Now, i can delete the row, but it then i get the error Object reference not set to an instance of an object If i implemente delete code on RowCommand i get the error: Store update, insert, or delete statement affected an unexpected number of rows (0). Entities may have been modified or deleted since entities were loaded. Refresh ObjectStateManager entries.

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Data Controls :: Use Multiple Eval Fields In GridView Item Template

Apr 16, 2014

Iam using the below code in ASPX for displaying images that are present inside my website project folder

<a href=""><%# Eval("Columnname","Foldername/{0}") %></a>
eg:
<%# Eval("Gallery","ImageFolder/{0}") %>
Now my question is I want to call the foldername itself from database its column name is GalleryFolder
<%#Eval("GalleryFolder")%>

How to use eval inside another eval or is there any other options??

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Forms Data Controls :: GridView And Focus / Have A GridView With Template Fields?

Apr 27, 2010

I have seen a number of posts on this, but none that quite serve my needs. I have a GridView with template fields. I use postback because when a value is entered in one field a calculation is done to supply the value in another field. I simply loop through all the rows after each postback (there are not many so it is fast). I do not use a select command or button to select a row. After postback I do not know how to return the focus to the row that was being used. I can return the focus to the first row just by using gridview1.focus.

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Forms Data Controls :: Creating A Single Item From Two Data Fields In A HYPERLINK Control Within A Repeater...

Jun 22, 2010

I am trying to use a repeater control that will display a hyperlink control. For the text of that Hyperlink control I would like to concatenate to fields from my data source (lets say First Name and Last Name). How would I do this appropriately for the Hyperlink control within an ItemTemplate?

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Forms Data Controls :: Passing Data With A OnClick Of Template Control?

Jan 14, 2010

I need to be able to evaluate the text value of the template button or pass date from the dbDateOpened colum when the button is pressed. Either direct I have tried gives me an compile error. With the current configuration I get this error. "Object reference not set to an instance of an object."

ASPX Gridview Below

<asp:GridView ID="GridView2" runat="server" AutoGenerateColumns="False" DataKeyNames="ID,dbDateOpened"
DataMember="DefaultView" DataSourceID="AccessDataSource2" Visible="False">
<Columns>
<asp:CommandField ButtonType="Button" ShowSelectButton="True" />
<asp:TemplateField>

[Code]....

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Forms Data Controls :: GridView - Putting TemplateField Fields In Data Bound Fields?

Sep 26, 2010

I have a GridView, and I want Column1 to be equal to datatable data (filled by a SqlDataAdapter). Then I have two other fields by the SqlDataAdapter (first name, last name), and I want to have those two fields combined to form Column2. I have a TemplateField for my GridView that combines the first name and last name with Eval()'s, but the GridView places this combined field TemplateField and puts it as the first column.

How can I do this so that TemplateField can go in between fields that are databound?

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Forms Data Controls :: Grid View Control That Includes A Dropdown Control In A Template Field?

Aug 21, 2010

I have grid view control that includes a dropdown control in a template field.I wish to execute some code when the value is changed in the dropdown list. Can't figure out how to capture this event though?

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Forms Data Controls :: How To Manage Condition In Presentation

May 29, 2010

I have a date base with a table named 'movies'. I want to take information on my database. I use a SQLDataSource. For my presentation, I use a repeater. Here is my code :

[Code]....

But if for exemple, 'champ1' is empty in my database, i don't want to print it in the result of my query ! But i can't arrive ...

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Forms Data Controls :: Two Fields Can Be Bind To Same Control?

Aug 5, 2010

Binding: the problem is my name expression is - au_fname+ au_lname-> differnt fields. I want to bind two fields to same control is that possible if not any another alternative.

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Web Forms :: How To Programmatically Set Template Fields Label Value Two One Of Two Fields Returned In A Sqldata...

Feb 8, 2011

I have a sql data souce that returns several columns of data, and they are displayed in a DetailsView on a pretty simple vb.net page. I'm stuggling with one field though for the details view.

It's a template field, and if ClientType=1 (this value is determined else where on the page), then the label in the template field should have Text='<%# Bind("ClientName") %>', but if the ClientType = 0, then the label in the template field should have Text='<%# Bind("ClientTemporaryName") %>'

How do I tell the details view to set the text for ClientName to one or the other?


[Code]....

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Architecture :: Using Data Sources Vs. Using Data Access Layer To Populate Presentation Controls?

Mar 17, 2010

We are using a tierd design with a Data Access Layer and classes for everything we need. This serves as an advantage because we do not have to write querys over and we can separate the Presentation layer from the Data Access Layer and Business Rules.I have always in the past populated GridViews, DataLists, repeaters,etc with SqlDataSources. This is what I have become accustomed to and I feel like it is simple. For querys such as Select * from Members, I feel like using a DataSource is simpler than having to go in the code and calling methods to populate and DataBind these presentation controls.


I am working with a gentleman who has introduced me to the world of Data Access Layers and we are breaking everything down into simeple, but effective queries to populate controls and do what we need to accomplish with this application. He is not very approving of using any type of DataSource. We are disagreeing on the time and place to use these class methods to call the database.So my question is, which is more widely used in the programming world? Do most people use DataSources to populate presentation controls regardless of the Data Access Layer they are working with? Which type of queries are best suited for a DAL - simple, populating queries or complicated joins and upserts?

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Forms Data Controls :: Get Value From A Gridview Template Within Another Control?

Nov 8, 2010

i have a Gridview inside a Multiview control.

i want to obtain the value of a column from a textbox added to a template.?

alternatively, is it possible to set the mode to permanent Update with command buttons?

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Forms Data Controls :: Create Custom Fields For GridView Control?

Mar 2, 2010

i would like to create custom columns in the GridView Control.For example:After performing SQL query, there are 4 columns bound to the control:
1. ID
2. Name
3. LA
4. LE

Now, for each row, I would like to add column5. Custom - which would read LA and LE values from each row, assign them to variables vLA and vLE respectfuly, and then, I'd take vLA and vLE to perform custom calculations every time the page is displayed.I know how to make a custom colum to display calculated result, butCan someone please help me how to read LA and LE values for each row?

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Forms Data Controls :: Adding Calculated Fields To A Databound Control?

Oct 14, 2010

I need a form that displays three columns drawn directly from a database (no problems here) as well as two fields that require some complex calculations. Not only am I lost as to how to incorporate the calculations into the control, I don't know exactly how to write the calculations. I am working in Visual Web Developer 2008 with Vb.NET.

The first of the two fields should take the sum of all payments made by a given customer and divide it by a DailyMembershipRate, returning a DaysPaid variable. It should take this variable and a CustomerSince field for that particular customer and calculate a PaidThrough field.

The second of the two columns similarly requires the DaysPaid variable described above. It should subtract the CustomerSince field from the current date and return the value in days, giving a MembershipDays variable. Finally, it should subtract MembershipDays from the DaysPaid variable, again returning a value in days, and then multiply this by the DailyRate value for a Credit/Deficit field.

I realize this is a lot, but I haven't been able to find any documentation either online or in VWD or ASP.NET texts on this topic. I could really use some fellow user input.

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Forms Data Controls :: Sorting Gridview Control Having Textbox Fields?

Jun 22, 2010

I have a gridview which sources information dynamically from database.Here when i go for the default "AllowSorting" flag equal to true, i am able to achieve sorting of all displayed columns except the textBox control column whose values refreshes to zero.

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DataSource Controls :: About Data Presentation And Data Binding?

Mar 10, 2010

I have a SQL table with questions and store the answers. Depend on the user selections, I need to display dynamically the questions and try to get the answers for them. ie: sometime I need to display 3 questions, and get 3 answers; sometime 5 questions, and try to get 5 answers.I know about dynamically loading the questions and display them. But how do I dynamically binding some kind of data control to get the dynamic answers back?Normally, in .aspx I would have <asp:TextBox ID=MyAnswer ....> or <DropDownList ID=MyDropDownList....> then I would use the C# behind to refered to MyAnswer.Text or MyDropDownList.SelectItem.....But in the dynamicly generated forms, how do generate multiple questions and bind somekind of multiple "TextBox" with ID and be able to refer them from the c# behind?

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Custom Control - Can Template Fields Have Attributes

Mar 3, 2011

For example:

<uc:AdmiralAckbar runat="server" id="myCustomControl">
<Warning SomeAttribute="It's A Trap">
My Data
</Warning>
</uc:AdmiralAckbar>

I'm not sure how to add SomeAttribute.

Code without the attribute is:

[code]....

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Type Of Data In GridView / Listview Bound - Template And Auto Generated Fields

Aug 18, 2010

Background: I'm populating lots of asp.net c# GridViews and ListViews from a database and subsequently users may export them to Excel. I want export as native Excel (not html). I can't use office automation, and I'm using JET which works fine. I have no control over users' machines. Question: When doing the export, you have to tell Jet what type each field is, in my case "text" (varchar) or "numeric" (double). The difference is that if you export a numeric column, the users can sum the data in Excel, where as strings are exported with a leading apostrophe and so are not much use in arithmetic.

Currently I parse the first data row of the Grid/ListView, check if each value is numeric or text, and assign a type to the column accordingly. That works, except for when I have something in the first column which looks numeric but in fact is a text string. I don't want to parse every row in order to be sure I have the correct data type as some of these exports are quite large. When I load the Grid/ListView from the database, the database certainly knows what type each field is. So my question is... how do I extract the type of the database item behind a a Grid/ListView item? I could explicitly code it as an attribute on the item, but that's duplicating information I already have, if only I can get to it. I know that where I have a DataTable then I can get the underlying type from that, but mostly I don't have tables handy, just the Grid/ListView. Note that Jet will throw if you try to insert an empty string into a nullable numeric column. The way to do this is to omit that column name from the insert statement, or output a zero.

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Forms Data Controls :: Databound Fields Vs Templete Fields In A GridView?

Aug 18, 2010

I am using TempleteFields for all columns in my GridView. In that columns I am using only some fields for customization but not all.

Is there any performance issue with Databound Fields vs Templete Fields in a GridView...?

Do I need to replace the remaining columns with Databound Columns instead of TempletField columns...?

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