DataSource Controls :: Remove / Hide Duplicate Value In Datatable?
Feb 23, 2010
how can i only display the name columne once in the repeater, when more than 1, then hidden the label
now my table are:
name col. age
mary 11
mary 16
Sam 18
now i would like to hidden the duplicate name as below:
name col age
mary 11
16
Sam 18
how can i manage the datatable to prevent duplicate name to bind to repeater.
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Similar Messages:
Jan 29, 2010
I am using visualstudio C# with Sql server. I want to delete previous duplicate values if exists while inserting new values into the table.
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Feb 25, 2010
removing duplicate rows from datatable or (dataset) by columnd ID (unique). Below function is working but I would like to edit/adjust the remaing (former) duplicate row's value, not the ID value btw.
Example:
ID name sport
-------------------------------
356 John Football
357 Johny Hockey
357 Johny Hockey
358 mike Soccer
should be:
ID name sport
--------------------------------------------------------------
356 John Football
357 Johny newFoo Hockey
358 mike Soccer
Public Function RemoveDuplicateRows(ByVal dTable As DataTable, ByVal colName As String) As DataTable
Dim hTable As New Hashtable()
Dim duplicateList As New ArrayList()
For Each drow__1 As DataRow In dTable.Rows
If hTable.Contains(drow__1(colName)) Then
duplicateList.Add(drow__1)
Else
hTable.Add(drow__1(colName), String.Empty)
End If
Next
For Each dRow__2 As DataRow In duplicateList
dTable.Rows.Remove(dRow__2)
Next
Return dTable
End Function
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Jun 14, 2010
[Code].....
and user3 duplicate more time as the table can i remove duplicate data
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Jan 13, 2010
my requirement is to update a duplicate record in datatable.in my website if anyone select a product more than one time then i have to check and update the quantity of that record.i use for loop for this but it is not working properly, it is running perfectly for one product but when i add another product it won't work.how can i do this?Here is my code part which is run on add button click
if (sc.dtcart.Rows.Count > 0)
{
for(int i=0;i<sc.dtcart.Rows.Count;i++)
[code]...
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May 7, 2015
I used this example [URL] but add this in gridview
<asp:GridView ID="GridView1" Width="300" runat="server" AutoGenerateColumns="false" RowStyle-BackColor="#A1DCF2"
HeaderStyle-BackColor="#3AC0F2" HeaderStyle-ForeColor="White">
<Columns>
<asp:TemplateField runat="server" HeaderText="Imagen">
<ItemTemplate>
<table> <tr>
[CODE]...
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Aug 6, 2013
Referring [URL] .... its a good functionality but instead of removing duplicate rows i need to make the cell of the column containing duplicate value blank
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Jul 15, 2010
I am building a shopping cart with datatable in C#.net.As i select the product again for shopping cart,besides inceasing the quantity of the product.it is showing the product again in gridview.
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Feb 25, 2016
I want to add and remove columns on specific conditions. how it's possible.
Alert: Add and remove not Hide and show...
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Sep 9, 2010
I have a DataTable of available time slots. I have another DataTable of reserved time slots. I need to remove from the list of available slots the ones that have been reserved. The blocks are in 15 minute increments, but one of my problems is that the reservation can be longer than 15 minutes. I've had some luck removing one or two, but not all of the required columns.
Here's my code (it doesn't work right now).
[Code]....
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Jan 11, 2010
i have the dataset with one table.Table contains three column like 'Name','Location','Pin'.I would like to move the data from another table based on schema.
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Feb 9, 2011
i have 2 table in my sql server..
TABLE1
IdTable Notes
1 First
TABLE2
IdTable2 IdTable1 IdDokumen
1 1
1
2 1 3
3 1 3
4 1 7
How to remove Duplicate IdDokumen? So it will produce IdDokumen= 1,3,7
i'm using linq to sql and c#
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Dec 3, 2010
I have 2 divs with 2 nested divs in them. Let's say div1 contains div11 and div12 and div2 can also contain div11 and div12. I know that this is not normally allowed but I am using jTemplates and they do allow you to print the div11 and div12 twice or more on the same page. The HTML looks like this:
<DIV1>
<DIV11>Some text</DIV11>
<DIV12>Some text</DIV12>
</DIV1>
<DIV2>
<DIV11>Some text</DIV11>
<DIV12>Some text</DIV12>
</DIV2>
How do I ensure that I only have one div with the unique ID loaded on the page, so I don't get in any duplicate DIVs. The result should look like this:
<DIV1>
<DIV11>Some text</DIV11>
<DIV12>Some text</DIV12>
</DIV1>
<DIV2>
Some other text
</DIV2>
Is there any way to check for a duplicate ID in either jQuery/javascript language and remove all but one using each or some other method?
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Dec 13, 2013
I have database as
ID name desc rupees
1 Test1 abc 1000
2 Test2 dcf 1000
3 Test3 edf 1000
1 Test1 dcd 1000
2 Test2 dcf 1000
Now I want a linq query to check for the duplicate name and if present adding its rupees...
E.g.: Result will be
name rupees
Test1 2000
Test2 2000
Test3 1000
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May 14, 2010
I have two datatables, I want to get all records which are in one datatable but all matching records which exist in another datatable should not be available.
In terms of set, you can say that record which are in 1st datatable but not in 2nd DataTable.
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Mar 4, 2011
I have a linq statement that retrieves several rows from a stored procedure and maps them to a custom class. The rows returned could contain mulitple instances of the same ID
eg
id date total
1 01/01/2011 3
2 01/02/2011 2
3 02/03/2011 5
1 01/01/2011 3
the stored procedure perfoms some complex calculations to return the data How can I remove the duplicate rows in the list ive returned? Ive tried distinct but it doesnt work I want to process the RETURNED list (as there are only 4 rows here, i want to end up with 3) and just have 1 instance of ID 1.
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Jun 28, 2012
I would like to know, how to make sure, item with same name do not appeares 2x in the dropdownlist item?
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Jan 12, 2012
I have hard coded and added items to dropdownlist ie teamsize as 1,2,3 like that.When i load this dropdownlist for edit/update i get duplicate values like this
1
1
2
3
4...
How do i eliminate this duplicate values?
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Feb 10, 2011
I am facing a problem with Gridview control. I have created a Gridview1 which is having 3 button column that has been added at design time and some column can be added through the Datatable at runtime. At Design time GridView1 has 3 button column
At Runtime I do GridView1.Datasource=dt; //Now my gridview is having 7 columns i.e. 4 more columns added through datatable.
I can easily display that GridView1 on webpage but I dont want to show some column that I added through Datatable to the user.
When I try to hide that column, I get error like Index out of bound exception but when I hide button column I can able to do that easily.
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Oct 18, 2010
suppose I am having sample table like below.
I need to remove duplicate orderid's and i need all column names also while doing query.
note that rows are not in the order. Order will be like this only.
I am able to get the records which are duplicated but not able to delete further.
In this case how to delete?
My consideration is that only distinct orderid's should be there in the table. Not bothering about the which orderid row is being deleted.
name orderid destination
a 1 aaa
d 2 ddd
b 1 bbb
f 3 fff
e 2 eee
g 4 ggg
h 3 hhh
c 1 ccc
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May 7, 2015
I have a master table relationship, i.e. depending on what is selected in the dropdown list the grid show the relevant data.In the database there are several identical entries for the Position field, for instance there are four marketing managers that have different name. How can i group the identical Position name in the dropdown and when selected the grid should display all marketing managers. Here is the code:
<asp:DropDownList ID="DropDownList1" runat="server" DataSourceID="sqlDdl"
DataTextField="ID" DataValueField="Postion">
</asp:DropDownList>
<asp:GridView ID="grid" runat="server" AutoGenerateColumns="False"
DataKeyNames="ID" DataSourceID="sqlCon" EnableModelValidation="True">
[Code] ....
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Jan 9, 2011
How can i add same fields for columns in a datatable. I wan to make a datatable which repeate column name of same type multiple times, but dot net dont allow me to add that, but i want to do that hw can i do that?
table.Columns.Add("S.NO", typeof(int));
table.Columns.Add("DC", typeof(string));
table.Columns.Add("DC", typeof(string));
table.Columns.Add("DC", typeof(string));
table.Columns.Add("ST", typeof(string));
table.Columns.Add("ST", typeof(string));
table.Columns.Add("AD", typeof(string));
table.Columns.Add("AD", typeof(string));
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Mar 18, 2013
Table1:
ID FROM TO
12 TXS NY
12 LS NY
This is my table ... I am retriving the values of "FROM" and "TO" based on the id .. Separate Dropdownlist for FROM & TO . While Displaying , in "TO" Dropdownlist NY value is repeated twice .. How to remove the duplicate value? need vb coding frnz ...
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May 7, 2015
If same date in multiple record in repeater control then only show one record
Database record like:
111/9/2014abc
211/9/2014xyz
311/9/2014jkl
415/9/2014qwe
515/9/2014tyu
Repeater Control like:
11/9/2014
15/9/2014
How can possible...???
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Jan 15, 2011
I have made a custom DataTable
Dim dt As New DataTable("RizPardakht")
Dim RowID As New DataColumn("tbz_GatiPardakhtID")
Dim FishNo As New DataColumn("tbz_FishNo")
[code]...
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