SQL Server :: Show 5 Random Record From Table?
Jul 17, 2010i need to show for every refresh of page five categories, every time different how can i do? in SQL do not exist select RND(field)...
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like this:
------------gridview-------------
record1 | record2
record3 | record4
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1 2 3 ...
-----------------------
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Aug 20, 2010
[Code]....
The following table contains several records.Why do I see only the last stored data?
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DataSource Controls :: Pull A Random Record From The Db?
Jan 22, 2010I want to pull a random record from the db.
Here what I have so far.
Dim RandomNumber As New Random()
Dim num As Integer
num = RandomNumber.Next(1, 75).ToString
Try
Dim Cnn As New OleDb.OleDbConnection("File Name=E:WebRHIUDLShelf_Life.UDL;")
Dim da As New OleDb.OleDbDataAdapter("SELECT tbMaster_List.dbMFG, tbMaster_List.dbDescription, tbInStock.ID, tbInStock.dbMFG_Lot_Code, tbInStock.dbDateReceived, tbInStock.dbDateOpened, tbInStock.dbExpireDate, tbInStock.dbLocation FROM (tbInStock
INNER JOIN tbMaster_List ON tbInStock.LnkToMaster = tbMaster_List.ID) ", Cnn)
Cnn.Open()
Dim dtt As New DataTable()
da.Fill(dtt)
This is were I am stuck.
I need to filter all rows out except where row(index) = num
Me.GridView4.DataSource = dtt
Me.GridView4.DataBind()
Catch
Label1.Text = "Error: Unable to Pull Data"
End Try
Forms Data Controls :: Selecting Random Record From Database
Apr 21, 2010I'm trying to select a random record from my database and display the details of the record on screen. The table I am using is the aspnet_Users table which as I'm sure you all know holds the details of users. After a bit of googling, I found the following code:-
[Code]....
I've built my page and I get no errors which is a great start I just can't seem to figure out how to then display the results of this query on the page. I just want to display the username for the record that is selected.
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[code]....
nw firstly i insert all value which appears on Default.aspx page and then display on grid..
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Here is my code:
[Code]....
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View 1 RepliesSQL Server :: Best Method Of Automatically Deleting A Record In A Foreign Table?
Jul 13, 2010I have two tables with one common field. The field is the primary key in one table, and just a plain field in another. When I delete a record in the table where the common field is the primary key, I want to automaticaly delete a record in the other table that has the same data in the common field.
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C# - Show A Random Quote On Webpage?
Jan 26, 2010I'm working on an ASP.NET (C#) web project that is using master pages.
I'm looking for an easy way to display a random customer quote each time a page is loaded.
Since this is a fairly simple web project I'd like to stay away from storing the quotes in a database. Currently there is no database connections required for the project so I'd like to keep it as simple as possible -- perhaps storing the quotes in an XML file them using an XmlTextReader to read the file?
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Show Random Information With C# From A SQL Database?
Sep 2, 2010I have a table where I have a column for different states (NY, NJ, etc). People can join the group (in my page) for each state (the state where they live). So I have to display the newest members for each state.
So the way it should work is, every time the page is refreshed/reloaded it should show the state name as a header text and the first 5 newest members for that state. This should be random, for example initially when the page is loaded say it will show state: New York and the 5 recent members like Stacy, Laura, Mike, Sam, Mathew.
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DataSource Controls :: Row Count Shows 1 Record But There Is No Record In Database Table
Jun 24, 2010I am counting from a table for that i have written code as below
protected void get_Id_Afterpoint()
{
int counter = 0;
string strSql = "select count(*) as ID from tblEnergy where ID=?";
OdbcCommand com = new OdbcCommand(strSql, con);
com.Parameters.AddWithValue("ID", DropDownList1.SelectedValue);
OdbcDataAdapter oda = new OdbcDataAdapter(com);
DataTable dt = new DataTable();
oda.Fill(dt);
if (dt.Rows.Count == 0)
{
lblID2.Text = "1";
}
else
{
counter = dt.Rows.Count;
counter = counter + 1;
lblID2.Text = Convert.ToString(counter);
}
}
there is no record related to DropDownList1.SelectedValue. but as i am counting if(dt.rows.count) and i put break point on the bolded part it shows 1 record. how it can be possible?
Forms Data Controls :: When Pick A New Instructor, The Value Put Into The Table Is Basically Random?
Mar 11, 2010 Why is this so hard? Seems like a simple task:
Here is what I am doing. Gridview to list a table. The table is mostly keys so I display one value and have a dropdown list to update the Instructor (key). Like one normally does, the dropdown list has a display value and a 'hidden' value which should be the value updated to the table, in the UPDATE event.
It does not work.
(1) When I click 'edit' the value in that field that was on the list of the grid is NOT the same value in the DropdownList, so the index of the ddl is not coming from the value on the grid (which is a hidden field on the grid).
(2) When I pick a new instructor, the value put into the table is basically random.
I would debug it but I have no idea what events to look at or how to look at the actions taking place during edit and update.
[Code]....
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View 2 RepliesADO.NET :: Cannot Add Or Change A Record Because A Related Record Is Required In Table "Member"
Nov 19, 2010I am using Table Adapter to insert records into my database. I first insert my member record into the database and it has no errors, after that i insert the contact records into the table. however I got the following error: You cannot add or change a record because a related record is required in table 'Member'.
[Code]....
C# - How To Show Password In Asterik Format When Generate Random Password
Sep 17, 2010i am generate random password and show it in a textbox. when i am set textbox property textmode to password then it doesn't show in textbox but when i set it singleline then password shows in textbox. I am using following code --
textbox1.attributes.add("value",passwordvalue);
for show i am using --
textbox1.text = textbox1.attributes["value"].tostring();
Same happing with when i edit record. password doesn't show in textbox.
DataSource Controls ::character To Column Name Then A New String Random Will Auto Insert Into Column Random?
Dec 15, 2010I create a table as picture below :
when I insert any character to column Name then A new string random will auto insert into column Random (picture below) I had used Trigger but It was error !
I want to column Random use to code :
DECLARE @myid uniqueidentifier
SET @myid = NEWID()
insert into table_1 values(@myid, substring(CONVERT(varchar(255), @myid), 1, 5))
but It must auto like column Number (column Number is Identity)
