Getting The Column Names When Using E.oldvalues
May 28, 2010How do I get the column names when using e.oldvalues?
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How do I get the column names when using e.oldvalues?
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I use LinqDataSource and GridView.
I need an old value of field "PictureBig" in RowUpdating handler like this:
e.OldValues["PictureBig"]
To achieve this I use bound unvisible literal in edit item template...
<asp:Literal ID="ltBig" runat="server" Text='<%# Bind("PictureBig") %>' Visible="false" />
Is there any better ways of doing this?
how to get column names from linq datasource?
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I have a database with two columns: Retailers or Traders. A row can have only one of them with values while the other must be 'Null'. Both are nvarchars kinds. What I am trying to do is to show data if a radio button is selected for either Retailer or Trader. So I constructed a SelectCommand statement which is getting column names of either 'Retailers' or 'Traders' as a parameter but the SelectCommand statement still returns all records. What can I do?
<asp:SqlDataSource ID="dsSearchResults" runat="server" ConnectionString="<%$ ConnectionStrings:AdoFabricsConnection %>"
SelectCommand="SELECT Name,Address1,City,State,Zip, Telephone, Email_Address, TO_THE_Trade, Retailer,
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I am getting a datatable from the SQL Server. In SQL Server the column headers are fine (mix of Capital and Small Letters). But when i am getting it in the front end, all the column names are in lower case. How can i get the column names in original Case.
View 3 RepliesI am struggling to show different views of gridview with database values. Here is my requirement.
Database Table:
I need to show one drop downlist with three values 1,2,3. If user selects 3 i Need to show a grid like below
Age,AnnualSales and Assortment are names which are coming dynamically from database.
High,Medium and Core all are values
Here my question is I need to show same attribute names.
Like If the name changes from "Assortment" to "Location" I need to show it in different page index .
In page index 2 i need to show like below.
I have an ASP ListView which I am using to display some pivoted information (across years) in a table. Currently I have the ListView templates defined as:
<LayoutTemplate>
<table id="listViewTable" class="tableData">
<tr class="rowHeader">
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im trying to read column names from excel .
View 3 RepliesI have the following SQL:
SELECT SRFILE_1.SRCONMAE, COUNT(LBWF_1.Incidentx) AS SLAFailed,
(SELECT COUNT(Incidentx) AS Expr3
FROM LBWF AS LBWF_2) AS TotalCalls
FROM SRFILE AS SRFILE_1 INNER JOIN
LBWFAS LBWF_1 ON LBWF_1.Incidentx = SRFILE_1.SRONUMBER
WHERE (LBWF_1.KPIFailx = '1') OR
(LBWF_1.Chargex > '0.00') OR
(LBWF_1.LChargex > '0.00')
GROUP BY SRFILE_1.SRCONMAE
What I'm trying to do is divide TotalCalls by SlaFailed and * by 100 into a new variable such as Percentage. However, everytime I try to select SLAFailed or TotalCalls I receive a 'Column Names do not exist' message.
Is there any way I can reference said values?
I tried to query an excel file which contains a lot of customers' information but my problem is most of those don't have a specific column names. E.g. it's in the following format. (Excel File)
A B C
Info1 blur blur
Info2 blur blur
Info3 blur blur
So, when I query using SqlDbDataAdapter, in my DataTable, info1 blur blur becomes column header. e.g. it's in the following format. (DataTable)
Info1 blur blur
Info2 blur blur
Info3 blur blur
I been working on it so that it actually goes down one row and Change the column name in the DataTable into some appropiate name. Something like the following format.
Name1 Name2 Name 3
Info1 blur blur
Info2 blur blur
Info3 blur blur
Is there any way that I could work around it rather than actually going back to change the excel files ? Because I have like 1,000 excel files in that kinda format and seriously giving me headache now.
I've created a Dynamic Data project with an Entity Framework model. It works nicely. But, right now it shows all my database tables with the db column names - which aren't always the most friendly (e.g. address_line_1). How can I got about giving these more friendly column titles that will display to the end user?
View 2 RepliesI have a stored procedure which returns a table. The stored proc is called via a linq datacontext.
It works fine and I get the table back however I really want to also get the title relating to each particular cell returned.
The stored procedure call is like:
var table = DataContext.GetTable().ToList();
So I get a List<GetTable>. The data is fine I just want the column names as well.
I am working on a query to pull the revenue for the last 7 days, as individual days, to be used in a bar graph. My query does what I want it to:
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My question is: How do I change the Date1, Date2, Date3, etc to display the actual date it is pulling from? So instead of Date1, it will say "Jan. 3 2011" and so on...
I have a requirement to display alphabets above each datagrid column names (like shown in excel). The datagrid columns (and header text) are dynamically created at run time and the alphabets on top could grow like excel A, B, C,....Z, AA, AB, AC,.....AZ etc. Any suggestions on how to get the alphabets showing for each columns?
View 1 RepliesI want to write the default column names in gridview when the data is not coming from the dataset or you can say that datset is blank.
I tried to use this [Code]....
But this does not help me and i am not able to see the column with name as 'ID'
I'm trying to use a function in my code behind to let me select a different column each time by calling the function with a different parameter.
However, I keep being told 'invalid column name', even though in the error page the column name appears perfectly valid.
Private Function getData(ByVal s As String) As String
I am writting a custom class with which I manipulate the data for my website. I was wondering if there is a way to connect to a database and retreive the column names for a given table with out sellecting any data in the table.
Currently I am using an sql select and connection string to create an SqlComman object. Then I use the command object to create a SqlDataAdapter object which I use to fill a DataSet. At the end of all that I am able to retrieve the column names but I have select data and retreived data.
I have a gridview that I am loading from a stored procedure. I need to be able to hide certain columns and change the column names. Since it is loading with stored procedure the columns aren't listed in the gridview->edit columns properties.
View 1 Repliesmy sp return resultset with different column names based on different parameters passed to sp and now i want to show that data in asp.net(c#) gridview so how can i achieve this
View 1 RepliesI want to change Gridview Header column names dynamically with if condition.
for example
IF condition 1
UserID | Full name | Transaction Amt | Tancaction Date
IF condition 2
UserID | Full Name | DOB | Balnace | Date
How to change Header column name for single Gridview dynamically ?
anybody working on data exporting? I've 4 tables in my sql server database. I want to export these 4 tables data into one excel file in different sheets with column names.
View 7 Replieshow to convert the dataset columnnames to UPPER case letters. I have a code like :
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But returned dataset result is not showing the uppercase column names.
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Refer to datatable columns with database column names?
populating the dropdownlist with column name. I have a gridview that has 7 columns . I want to have a textbox search and dropdownfield where user can select column name and type a word in search box and click search so that text for that column name is being search and displayed in grid. how I can fetch just column names from DB and search ?
View 1 RepliesI am trying to populate table column names into a dropdown list . how can I query using Linq to SQL to just get the list of few Column names ? in a method in DAL which I can use to load in my UI page !!
View 2 Replies