DataSource Controls :: Concatenate Field For Unique Identifier?
Feb 3, 2010
I'm using Visual Web Developer Express 2008 and SQL Management Studio Express 2005. I need to link 2 tables to either present in a Master/Detail or GridView/Form view.The goal is to allow the user to view time card information from the AS400 (read only) and then enter any corrections into a SQL table. My problem is in trying to connect the two tables.I've asked the AS400 administrator to add a unique identifier field to the table (HAPOINT), but he says he can't. I've tried to concatenate a field within Visual Web Developer's Query Builder but keep getting errors.Table 1 - exists in AS400, is non-permanent (cleared every 3 months) and can't be modifiedEmpl ID WO Date In Time In Date Out Time Out Table 2 - exists in SQL Server, newly created for this project (no data yet, so can be modified)Rev ID Empl ID Date (of revision entry) X (Revise - y/n) Revised Time In Revised Time Out I tried finding a solution through the SQL Forum, but haven't gotten a solution, so I'm posting here. There are additional details at that post:http://forums.asp.net/p/1516929/3658517.aspx#3658517Can anyone tell me how to concatenate "Empl ID /WO / Date In / Time In" from Table 1 to produce a unique identifier that I can then use in Table 2, thus providing the link between the two tables? Or, is there another way?
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Mar 11, 2010
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Aug 6, 2010
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[Code]....
[Code]....
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Mar 5, 2012
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Feb 17, 2011
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Code:
<asp:SqlDataSource ID="SqlDataSource1" runat="server"
ConnectionString="<%$ ConnectionStrings:SQL2008R2_799650_xnacsConnectionString %>"
SelectCommand="SELECT [ArticleTitle], [articlehtml], [submittedby], [datesubmitted] FROM [Articles] where articleid ='@id'">
</asp:SqlDataSource>
and code behind is taking a url param (guid) and passing it to the select above
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Code:
protected void Page_Load(object sender, EventArgs e)
{
string id = Request["article"];
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[Code]....
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Sep 10, 2010
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May 25, 2010
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[Code]....
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[Code]....
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Oct 20, 2010
convert the code below to LINQ, converting my project to a wseb version usimg LINQ To SQL. The project contains 10 textboxes to possibly select from, but I'm only providing the first two textboxes to simplify my question.
mySQL_Statement = "SELECT IDENTIFICATION_DATA.NSC,ITEMISCD.RNC,ITEMISCD.NSC1 FROM IDENTIFICATION_DATA LEFT OUTER JOIN ITEMISCD on IDENTIFICATION_DATA.NIIN = ITEMISCD.NIIN"
If Not ((TextBox1.Text = String.Empty) And (TextBox2.Text = String.Empty) Then
mySQL_Statement = mySQL_Statement + " where "
If Not (TextBox1.Text = String.Empty) Then
mySQL_Statement = mySQL_Statement + "IDENTIFICATION_DATA.NSC IN (" + TextBox1.Text & ")"
End If
If (TextBox1.Text = String.Empty) Then
mySQL_Statement = mySQL_Statement + "isnull(IDENTIFICATION_DATA.NIIN) = FALSE"
End If
If Not (TextBox2.Text = String.Empty) Then
If astrixState = 0 Then
If Not (TextBox1.Text = String.Empty) Then
mySQL_Statement = mySQL_Statement + " AND IDENTIFICATION_DATA.NIIN IN (" + TextBox2.Text & ")"
ElseIf (TextBox1.Text = String.Empty) Then
mySQL_Statement = mySQL_Statement + " AND IDENTIFICATION_DATA.NIIN IN (" + TextBox2.Text & ")"
MsgBox(mySQL_Statement)
End If
End If
If astrixState = 1 Then
If Not (TextBox1.Text = String.Empty) Then
mySQL_Statement = mySQL_Statement + " OR IDENTIFICATION_DATA.NIIN IN (" + TextBox2.Text & ")"
Else
mySQL_Statement = mySQL_Statement + " AND IDENTIFICATION_DATA.NIIN IN (" + TextBox2.Text & ")"
End If
End If
If astrixState = 2 Then
If Not (TextBox1.Text = String.Empty) Then
mySQL_Statement = mySQL_Statement + "AND IDENTIFICATION_DATA.NIIN NOT IN (" + TextBox2.Text & ")"
Else
mySQL_Statement = mySQL_Statement + " AND IDENTIFICATION_DATA.NIIN NOT IN (" + TextBox2.Text & ")"
End If
End If
End If
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May 18, 2010
there is a statement like " select t.f1, (select ta.f2 from ta where t.fk1=ta.fk1) from t inner join ta on t.fk1=ta.fk1 "? In SQL 2005, this will get the message "The multi-part identifier "t.fk1" could not be bound.".beacuse the result will contains duplicate data from table ta in one row.
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Mar 20, 2010
Does anyone know how I can concatenate two columns in my subsonic datasource? I want to display a first and last name in this dropdownlist but I don't want to put them in the same SQL column.
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May 3, 2010
I am returning a dataset from a method and trying to set one of the columns as Primary Key.
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Interestingly it gives me this error at run-time, These columns don't currently have unique values.
Now I perfectly know why this error should error, but there are no duplicate keys in this data column. I broke the code in between and bound the dataset to gridview to check if this column contains any duplicates and this is not the case. Here is the result set underneath. Have a look at the first column 'CategoryNodeId'.
CategoryNodeId
CategoryId
Name
ParentCategoryNodeId [code]...
unable to find a work around for now.
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Jun 21, 2010
i followed [URL]. it was fine till server side but how would i be applying client side validation for unique field validation scenario on for example say username. i want to have username as unique.
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