SQL Server :: Filter By Computed Column
Aug 17, 2010
After looking for a driver to open legacy dbf drivers to connect, the next level trouble a have is this one: first, i can retrieve the data but when trying to filter by a parameter (somesc columns) i get an error. The error says about the database can't determine. The error is a columm tha is formated ( 1234 ) about 8 space, fixed. The values in the query appears like that. I resolve this by Trimming Ltrim(ColumnName) and i get this (1234). Now in SqlExpress, how can i filter by the new Trimmed Expression? (This is a primary key that the DBF use)
Sample:
SELECT column1, column2, column3
TABLE FoxProDB
Now
SELECT Ltrim(column1) as NewExp, column2, column3
TABLE FoxProDB
Where NewExpre = @NewExpres -Error-
View 2 Replies
Similar Messages:
Dec 16, 2010
I have a column that contain date (of type datetime), i also want to add another column that will contain 1 Or 0 depends if the value of date has passed the current date or not.
View 4 Replies
Nov 21, 2010
Using vs2008 I have a SQL Server database attached to my web app. I want to use a computed time column in the database, along the lines of :
timenow is 1 column
hoursleft is another column
timeend would be another column.
I want timeend to = timenow + hoursleft. Is it possible to do that, and if so what would the formula be that I would enter into the computed column field, and, what datatype would the columns be, timenow and timeend I would expect to be time(7) and hoursleft an int. But is that correct?
View 2 Replies
Sep 16, 2010
i have designed a database into the vs 2008 mobile database. my batabase has three column column1(int),column2(int),column3(int) and i want to set the value of val(column3)=val(column1)+val(column2); how and where to set the computed column value.
View 2 Replies
Jan 25, 2011
I have the following GridView:
<asp:GridView ID="gv" AutoGenerateColumns="false" runat="server">
<Columns>
<asp:BoundField DataField="productName" HeaderText="Item" />
<asp:BoundField DataField="unitCost" HeaderText="Cost" DataFormatString="{0:c}" />
<asp:BoundField DataField="originalCount" ItemStyle-HorizontalAlign="Center" HeaderText="Old Count" />
<asp:TemplateField HeaderText="New Count" ItemStyle-HorizontalAlign="Center" >
<ItemTemplate>
<asp:TextBox ID="NewCount" Width="20" runat="server" />
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
And I want to add a final 'Total' column that calculates (originalCount - NewCount) * unitCost and updates it as the user enters a number in the NewCount text box. Can I do this just with .net, or do I need to use Java? If the latter, how do I tell which Gridview cell to update?
View 1 Replies
Jun 28, 2010
I have a table of people with columns holding bits of info about them. I also need a variety of computed columns such as FileAs (lastname + ", " + firstname) and CityStateZip (you get the idea). I am wondering where best to put these definitions. It's worthwhile to note that the user will want to search for things as seen on the page, not the little atoms in the table. For example, searching on ", e" finds everyone whose first name begins with E. Typing ", az" to get everyone who lives in Arizona.
I noticed that linq-to-sql queries only recognize the fields in the table definitions, not any that are added in the partial class associated with the dbml. Linq-to-sql does work against computed columns in the database; however, the column definitions--especially for international address formats--will become very complex and much better handled in code.
View 3 Replies
Oct 23, 2010
I want to create a computed column in SQL SERVER and set the formula to this
([Category] + '.aspx?ID=' + [Post_ID])
Not working though......what am i missing? Category and Post_ID are current columns in the table
View 3 Replies
Feb 16, 2010
I have a datatable in MS SQL that has FirstName and LastName. In MS SQL I created a computed field called FullName that was ((rtrim([LastName])+', ')+rtrim([FirstName])) I created a DataSet and a Business Logic Layer. In my typed DataSet I saw FullName in the listing when I created it. I am able to use FullName in my webpage. I use it to populate a dropdownlist. However, now when I make changes to the Customer Table I am getting this error message (seen below)
Question: Should I have created the field FullName in my MS SQL Table or should I have left it alone and somehow just added a column to the DataSet and placed an expression in the FullName column? The column "FullName" cannot be modified because it is either a computed column or is the result of a UNION operator. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.Data.SqlClient.SqlException: The column "FullName" cannot be modified because it is either a computed column or is the result of a UNION operator. Source Error:
[Code]....
Source File: c:Users ottfarmsAppDataLocalTempTemporary ASP.NET Filesinternalauburnriverside98ea0e1f2a7f0720App_Code.lbdcba1v.2.cs Line: 1240 Stack Trace:
[Code]....
View 1 Replies
Jan 11, 2010
I have stumbled into a problem in which Im having a hard time solving. I have a linq data setup(based on a mssql) where a Purchase Order contains a number Equipments - each equipment has a price. I have a gridview that shows the summed price of the equipments that are included in a Purchase Order. This sum is currently being calculated on RowDataBound through a "listOfEq.Sum(Eq => Eq.PurchaseOrderPrice);" expression which works without any problems. My problem is that I want to be able to sort the gridview based on this summed value, which I cannot do with a normal sortexpression. My next thought was to create a function in my database to calculate the sum instead and then use this is my data basis for the summed column. I have created a function like this:
[Code]....
I want to create a sortable column based on this data. My thought is something like this:
[Code]....
Displaying the correct information is not a problem, however creating the sorting is. Im not sure what to put in the SortExpression. Anybody got an idea of what to do? Perhaps I am forced to use a computed column for this however I dont know to create this column when its based on another table. If this is the case, any idea about how to do create a computed column thats based on data from another table?
View 2 Replies
Feb 2, 2010
I'm trying to define a computed column that will contain an auto-incremented number. In other words, I want it to work exactly like identity, but since I can have only one identity column per table, I wanted to make a computed column that reads its latest value and increment it by 1.
View 5 Replies
Feb 7, 2010
How do add read-only computed column in LinqToSql designer (dbml)? My existing table structure:
Name: ID, Type: int, AutoGenerate: true, AutoSync: OnInsert, PrimaryKey:
true, ServerDataType: int not null identity, Source: IDName: Name, Type: string, ServerDataType: nvarchar(100) not null, Source:
NameName: Value, Type: byte[], ServerDataType: VarBinary(max), Source:
Value, UpdateCheck: Never
I want add the 4th colum name: Name: HasValue, Type: bool --> [Value] != null
View 1 Replies
Jun 30, 2010
How do i generate another computed column that will contail the result of GrandTotal/Total,
where GrandTotal is another value comes from computed column and the Total would be the sum of the Total within SchedularID.
And thats what i have done so far: [Code]....
View 3 Replies
Feb 1, 2011
How to add any column filter in dynamic data 4.0
View 1 Replies
Nov 29, 2010
I have a asp.net gridview, which i am binding at runtime with a custom List object. I want to add a filter row below the header row on each column and on click of filter button grid data should get filtered based on values written in the filter textboxes.
View 1 Replies
Dec 3, 2010
I need a textbox for each column of the header row of my Gridview. Then whatever I type in, say the first column is a Surname, the Gridview needs to be filtered by records with only that Surname.
View 3 Replies
Dec 3, 2010
I am using telerik grid. I need to apply a filter for all the columns in my grid. Currenly I am customizing the filter option using the following code. By using the following code, I am removing the certain items for all the columns. But, for a date column what are the possible options for filtering in the grid and how to customize those filtering options?
Code Behind
protected void RGVTest_Init(object sender, EventArgs e)
{
GridFilterMenu menu = RGVTest.FilterMenu; [code]....
View 1 Replies
Jan 29, 2010
I'm trying to filter a DataView to return all the rows whose column x starts with a number: The following works in SQL Server:
select *
from dbo.Page
where Name like '[0-9]%'
However, when I try this:
dataView = new DataView( someDataTable, "Name LIKE '[0-9]%'", "Name ASC", DataViewRowState.CurrentRows);
I get "invalid parameter [0-9] with Operator Like" error message. What is the correct syntax to achieve my goal?
View 7 Replies
May 22, 2013
need to get selected value from dropdownlist,textbox and bind in grid
View 1 Replies
Jun 23, 2013
I have a form where i want to view all columns from a table.I have a textbox and differeent radio button having values of each column.On click of button.I want to view all the columns as per selected row/rows from value given
View 1 Replies
Jan 16, 2011
I want to copy data from a table[tblExcel][No.of columns:2] to another table[ev_event] which has 5 columns, 2 columns from the another table, 3 columns from user defined value
[code].....
View 4 Replies
Oct 31, 2010
I need good css for Gridview just like the mac css
can we provide the filter functionality to gridview like the excel filter.
View 3 Replies
Jan 1, 2010
In securing actions/controllers, do I have to create a custom filter or use MVC built-in filter?
To use the built-in attribute Authorize() on an action/controller or create a separate class that inherits the ActionFilterAttribute which has a method (OnActionExecuting) to override and do the authentication there?
View 2 Replies
Aug 10, 2010
I have a table converted from Access and the identity keys were lost. Now I need to make the id column the identity column, but it already has a lot of null values, how do I auto generate integer values for the null rows? The row ids are incremented, so if there is a way to auto increment the ids
View 7 Replies
Feb 17, 2011
I am creating dynamic view using two tables.one is emp_Tbl and 2nd table emp_salary which is created dynamically .creating view it gives error 'Create View or Function failed because no column name was specified for column 2.
my code is: create view [dbo].[Emp_Salary_pay] as select dbo.Emp_Tbl.Emp_Status, (select column_name + ', ' from information_schema.columns where table_name = 'Emp_salary' ) FROM dbo.Emp_Tbl INNER JOIN dbo.Emp_Salary ON dbo.Emp_Tbl.Emp_Id = dbo.Emp_Salary.Pay_Emp_Id
View 5 Replies
Nov 10, 2010
I have a table in SQL Server 2000 with a text field containing XML that I need to display on a C# ASP.NET 2.0 page. I need to retrieve the XML and then filter out a list of about 80 possible elements (or white list 20 possible elements to keep might be better). I can pull the xml out of the DB and display it on my .aspx page, but I am not sure how to filter out any elements first.
Example XML
<Message>
<MessageNumber>
1234
</MessageNumber>
<MessageType>
Auto Notice
</MessageType>
<UPMessageNumber>
5501
</UPMessageNumber>
<MessageID>
121223
</MessageID>
<ResponseTo>
654321
</ResponseTo>
<DateTime>
2010-11-10 09:35:00
</DateTime>
</Message>
In this case I will need to filter out the UPMessageNumber and MessageID before displaying it on the page.
View 2 Replies
