Forms Data Controls :: How To Format A DataColumn.Expression

Mar 11, 2010

I combined three columns into 1 column to customize the DataTextField of my asp:RadioButtonList.

I'd like to format Date (MM/dd/yyyy) and Time (h:mm tt).

This is the code:

[Code]....

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This is my regular expression . it accepts the email such as name.name_@__domain.in How can i format my regular expression which accepts only a valid email format only. I need the email validation for above example.it is not a duplicate one.

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I wanna iterate the "DataColumn" values, I have retrieve data column from a dataSet.

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here is an example of one of about 14 paragrahs in my report.

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[CODE]..

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I have a repeater control populated with data binding expressions like in the expression below...

[Code]....

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Here is data binding expression (dropdown list is nested in gridview)

[Code]....

Code Behind has function which looks like

[Code]....

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I am using a GridView and I require the user to be able to filter using 2 controls. One simply filters the type of row - there is a column called action, and the user selects one of the distinct values from the database in a dropdown box, and the gridview only displays the rows with that value in the action column. On it's own this works perfect.

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[Code]....

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I have a gridview of the following form below

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How I can set the total recoreds at the gridview footer which has a Gridview AllowPaginning=true and RowFilter at A View which I bind it to the gridview

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Jun 16, 2010

Using an objectdatasource I would like to pass an entire DataItem to a function, within a databinding statement. I have found a way that works, but I don't like the look of it. ;-)

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Forms Data Controls :: Getting An Identifier Expected Error Under The Closing Tag Of This Expression?

Apr 11, 2010

I am getting an Identifier expected error under the closing tag of this expression but the code seems to be ok.

[Code]....

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May 12, 2010

I am trying to dynamically add a queryextender expression to the page. something like, when the user clicks a button, we need to add a OrderbyExpression. The following is the code used. It works when added in Page_Load but doesn't when added on a button click event. Upon button click the page just reloads and ignores the filter condition.

OrderByExpression obex = new OrderByExpression();
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I have a problem using the regular expression validation.In a detailed view I fill out a form to create record for an Employee.I have to enter the Zip code. To validate it I use the regular expression .Then I want to edit the record later. I don't want to edit the zip code ,it's bounded from the select but, the update is keeping asking to re-enter the code.I attached the code to that template as well as the select and update statement

[Code]....

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Forms Data Controls :: Expression Bound To User Control Parameter?

Aug 19, 2010

How can I get pass the DataKey of a GridView to a usercontol, preferably without code behind.

Why doesn't this work:

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Web Forms :: Inline Expression Or Binding Expression In The Server Head Section?

Aug 25, 2010

I write inline expression and binding expression in the server head section:

[Code]....

[Code]....

But both kinds of expression aren't parsed or executed except the ResovleUrl menthod. The html renders like this:

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DataColumn With Space In Name?

Feb 17, 2011

I have a DataTable that I am creating and binding to a GridView. Currently the headers do not have any spaces and it makes it hard to read. I want to space them out but I'm having a minor issue. What I am trying to accomplish :

Dim dc As Data.DataColumn
dc = New Data.DataColumn("Updated Date", System.Type.GetType("System.String"))
dt.Columns.Add(dc)

What I currently have :

Dim dc As Data.DataColumn
dc = New Data.DataColumn("UpdatedDate", System.Type.GetType("System.String"))
dt.Columns.Add(dc)

I know that I can set the HeaderText in the columns declaration like below, but I won't know how any columns I am going to have. And would rather the columns be generated automatically.

<Columns>
<asp:BoundField DataField="UpdatedDate" HeaderText="Updated Date" />
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C# - Validating A Value For A DataColumn?

Apr 13, 2010

I'm using a DataGrid with edit functionalities in my project. It's handy, compared to having to edit its source data manually, but sadly, that means that I'll have to deal with validating user input a bit more.

And my problem is basically just that. When I set my DataGrid to EDIT mode, modify the values and then set it to UPDATE, what is the best way to check if a value that I've entered is, in fact, compatible with the corresponding column's data type?

i.e. (simple example)

// assuming
DataTable dt = new DataTable();
dt.Columns.Add("aa",typeof(System.Int32));
DataGrid dg = new DataGrid();

[Code]....

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Web Forms :: Regular Expression Validator / Add Wording To Current Expression: W+([-+.']w+)*@w+([-.]w+)*.w+([-.]w+)*?

Feb 16, 2010

I'm trying to use the validator to work on a email form to ensure that they enter a valid from email address. That part works. I also want to add to the expression the text that I pre-populate in the txtbox ("Enter your email address") so on postback, after sending the message, I can clear the fields and repopulate that box.

How do I add that wording to the current expression: w+([-+.']w+)*@w+([-.]w+)*.w+([-.]w+)*

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