Web Forms :: How To Avoid Data Class Duplicates
Jan 7, 2010
I have several LINQ-auto-created data classes which are created using dragging and dropping database tables into the Visual Studio LINQ design pane. Also, in my project I have to manually create WCF data-contract classes. Each WCF contract class is for one LINQ-auto-created data classes; one to one. Is there some better way to reduce the efforts to this problem? e.g. inheritance or something else to create WCF datacontract class from existing LINQ-data class.
Example:
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Jul 19, 2010
I am developing web application using Csharp on Visual studio 2008.How can I avoid duplicates on a data grid? I am using one form with datagrid. When I run it while it is in one of the folders AB it is running without any problems and data grid is displaying correct records. However, when I get the same and put it on a different Folder AB1 on the same machine and web server (IIS) it is displaying duplicated records?
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Feb 15, 2010
i want to avoid duplicate entries from array.....(in c#)
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Feb 3, 2010
I have location #s, date, time, the sales amount, and tax in a excel file. The system pulls sales numbers throughout the day from each store location and places the total sales and tax numbers along with the polling date into a file.
So the most current date/time has the most upto date sales numbers at the time for that location number, but it also lists the older entries so mgmt can see how sales went during the day, and this is where my issue is, I don't need to see the old numbers from this generated file (atleast at this part of the program).
What I would like to do is write a query that only selects the most recent sales numbers for each location. I will output this to a table in ASP.NET. The query I tried using the TOP 1 clause only gave me the very first row listed below.
[code]....
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Oct 4, 2010
I have a gridview that I loop through to get the x and y values of the chart control, and upon the first execution of this code, it looks great. But when the page posts back and it "refreshes" data, the original points on the chart control are still there, as well as the new values.
Is there any way to "delete" all data in the chart control to ensure this doesn't happen?
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Mar 22, 2011
I have query that returns a line that looks like this belowA NEWYORK PROGRAM AA NEWYORK PROGRAM Bnow, the NEWYORK is inputted into a dropdownlist and the program A and program B is inputted into a dropdownlist as wellI am using utility.ControlTools.SetListControl for my dropdownlist. I would like a situation where my dropdownlist only contains one NEWYORK instead of two and my dropdownlist for programs to contain Program A and program B. Can this be done.
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Apr 27, 2014
How to check for duplicates before inserting in SQL Server inGridView in ASP.Net ....
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Mar 3, 2011
Using SQL server and C# to build my web site. I need to do a bulk upload Employee data from Excel to SQL.
I use the following code to perform this. The code works fine.
[Code]....
In the Employee table there is a field called ID which is of type int and auto incrememntral . This is the primary key.
There cannot be duplicates in the combination of EmployeeName and Location. If the user tries to upload ( through the Excel file) the combination of EmployeeName and Location which is there in the database, I need to flag it.
How can I identify the duplicates in an easy way rather than going through all the records again and again? Any functaion in SQL I can use to identify the duplicates?
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Feb 25, 2011
I am writing code to insert values from an xml file. I check for a duplicate before inserting and delete if there is a match. Is there a more effecient way to prevent duplicates before insert a record? my code: private void LoadFData() { SqlConnection oConn = new SqlConnection(ConnectionString); SqlCommand oCommand = new SqlCommand(); oCommand.Connection = oConn; oCommand.CommandType = CommandType.Text; oConn.Open(); // Load committee master files string[] strFiles = System.IO.Directory.GetFiles("fff", "ffff.dta", System.IO.SearchOption.AllDirectories); for (int i=0; i
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Jul 19, 2010
I have two gridviews, say 'A' and 'B'...I want to add all the rows of 'A' to 'B' while avoiding the duplicates....For eg:
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Nov 16, 2010
I have a Method that returns 4 records like this.
Name: Test1
Year: 2010
Value: $1000
Name: Test2
Year: 2010
Value: $1000
Name: Test3
Year: 2011
Value: $2000
Name: Test4
Year: 2011
Value: $1000
I need a way to get the unique years just ( 2010, 2011) rather than all 4 years, rest of the data could be duplicates.
Here is the method:
public List<TestCosts> GetTestvalues(string testid)
{
List<TestCosts> testlist = Testscores.List(testid);
return testlist;
}
Most of the examples of removing duplicates I saw have a list of one item only but in my case I have 3 items per record and I need to loop through each record, find the duplicate years, remove them and then return the distinct list of years along with the other data.
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Aug 7, 2010
In a button click event, I am uploading files to my server but getting duplicates in the loop.
So if a user uploads 3 i end up with 6 and if i refresh it loops again
Am I missing some code so that just 1 file of is processed.
[code]....
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Nov 4, 2010
Is there a way to use two adrotators controls on one page and stop the same advert appearing at the same time in both controls?
I have the following but it doesn't work:
protected void AdRotator1_DataBound(object sender, EventArgs e)
{
if (AdRotator1 == AdRotator)
AdRotator1.DataBind();
}
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Apr 3, 2010
I have a repeater which does quite expensive processing when it is populated. It gets the info from a web service which is itself a federated search service and will take 15 to 20 seconds to return results.
In each repeater item/alternatingitem, i have 3 imagebuttons doing some actions (saving in session some ID's, updating some custom collections...) , the problem is when clicking on one of the buttons, the repeater will trigger the command and then databind again, which takes quite some time to process again..
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Mar 4, 2010
I am using datalist and used custom paging for that but on page index changed there is full postback..because i am sending the values through querystring just have a look to this link
[URL]
i want to remove this postback...
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Apr 13, 2010
I am using linkbutton in my gridview to avoid the use of querystrings. The gridview is filled from a dataset.
I almost have it working but the text the linkbutton is displaying does not vary as a function of what row it is in. I need a way to associate the text of the linkbutton with the row it is in.
[Code]....
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Oct 22, 2010
Tell me how can i avoid reconnection to database while paging in repeater?
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Mar 3, 2010
I've some webpage with listview control, and double click event on each row on it.
The problem is, that when I double click the row, event is fired, that's fine, but all of the page is selected (dark blue marked, you know...).
Is there some solution to prevent select all in the whole page, or whole aplication itself?
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Aug 6, 2010
I have a condition to check weekdays with a particular time corresponding
to that day that were added to a grid view using a drop down list and two text boxes.
The drop down list has weekdays and textboxes has from and to time.
I have to verify a condition to avoid duplication of same day with same time should not occur in the table twice.
(i have used time picker jquery to get time.)
how should i write the condition in sql and use that in C#
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Feb 5, 2010
I am having a problem with the gridview and formview. I have a gridview setup to show products and have a select button to clock on to give you the details of the product in a formview. I have the gridview setup for paging at 5 rows. In the page.aspx.vb I have on the SelectedIndexChanged event
FormView1.PageIndex = GridViewMain.SelectedIndex
This all works great until I go to the next page in the gridview and try to select a product on that page and the form view does not sync up. I really need a soultion for this. I could use the 2 page soultion for the master/details view however I would like to avoid it if possible...
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Sep 20, 2010
i have a grid view control
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Here change_scheduleDate function is executing every time for every row but i need to execute this function only when value change in txtdate textbox or same case i need if i create textboxchange event at serverside here i am updating txtdate value in database when text box value changed
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Oct 26, 2010
This is my code.iam providing alternate coloring for my columns in dynamic table.In this i want to avoid Alternate row style color for hiddenfield.
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Dec 16, 2010
i have list<player> with duplicates.
i need to create another list<player> from the first list <player> with out any duplicates.
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Dec 17, 2010
My SQL query joins on multiple tables, and because of this it is displaying multiple results. I know about SELECT DISTINCT, but one of the fields ('Account.Name') is occasionally different, so it treats this record as a new row. Here is my SQL:
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Mar 17, 2010
I have a code:
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