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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-----------------------
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[Code]....
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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
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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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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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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?
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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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[Code]....
C# - How To Show Password In Asterik Format When Generate Random Password
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textbox1.attributes.add("value",passwordvalue);
for show i am using --
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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)