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How to retrieve conditional XML data using XPath Expression

Posted By:      Posted Date: October 19, 2010    Points: 0   Category :.NET Framework
I have a XMLDataSource somewhat like:

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How to retrieve conditional XML data using XPath


 I have a XMLDataSource somewhat like:


I am storing these in a asp:formview. I am able to store author and publication values but not sure how can I store the value of book name? Actually I just want to use condition that I need to store "name" if "genere=Romance". something like this. I know we can use contition/expression in XPath method but if it is an attribute like <book genere="romance">. Can someone throw light on this question.

Using Conditional Split data Transfer in SSIS 2008

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How to retrieve data from SqlDataSource and pass to a variable?


Hi there,

I have a page in my website where there is very little code-behind. I only have two lines of code in Page_Load() and the rest of the code is declarative ASP.NET code. I have a FormView control which uses a SqlDataSource to get some order information. The SqlDataSource calls a stored procedure called usp_GetOrderDetails, here's the code for the SqlDataSource:

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ConnectionString="<%$ ConnectionStrings:ForexDB %>"
ProviderName="<%$ ConnectionStrings:ForexDB.ProviderName %>"
SelectCommand="usp_GetOrderDetails" SelectCommandType="StoredProcedure"
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<asp:ControlParameter Name="orderId" ControlID="grdOrders" PropertyName="SelectedDataKey.Value" />
<asp:ControlParameter Name="orderId" ControlID="frmOrderDetails" PropertyName="SelectedValue" />

Real-World XML: Manipulate XML Data Easily with the XPath and XSLT APIs in the .NET Framework


XPath is emerging as a universal query language. With XPath, you can identify and process a group of related nodes in XML-based data sources. XPath provides an infrastructure that is integral to XML support in the .NET Framework. The XPath navigation model is even used under the hood of the XSLT processor. In this article, the author reviews the implementation details of the XPath navigator and the XSLT processor and includes practical examples such as asynchronous transformations, sorted node-sets, and ASP.NET server-side transformations.

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Programmatically retrieve data from the associated row in SharePoint and use the data to do math


I am trying to pull all of the associated data from a SharePoint list row to an InfoPath form repeating table.  I would like to select 1 unique value from the row and have the other fields auto-populate with the associated data from that row. 


SharePoint Columns and also names of InfoPath fields 1, 2, 3, 4, 5, 6, 7.

I have a dropdown that is connected to column 1 and I would like to select 1 and have it populate the rest of the fields from that row.  I am currently doing this with information and C# code from:  http://www.bizsupportonline.net/infopath2007/sharepoint-list-retrieve-value-same-row-repeating-table-infopath

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SQL 2008 R2 (final): SSMS freezes: "Failed to retrieve data for this request.

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ssis sql 2000 image to 2008 varbinary Failed to retrieve long data for column

Hi, I have a task that to migrate the image type column from sql 2000 to varbinary type in sql 2008. The source column having 3812353 max datalength size for the column. The package always failed with following error message. [OLE DB Source [13177]] Error: Failed to retrieve long data for column "attch_file_content_t". [OLE DB Source [13177]] Error: There was an error with output column "attch_file_content_t" (13209) on output "OLE DB Source Output" (13187). The column status returned was: "DBSTATUS_UNAVAILABLE". [OLE DB Source [13177]] Error: SSIS Error Code DTS_E_INDUCEDTRANSFORMFAILUREONERROR. The "output column "attch_file_content_t" (13209)" failed because error code 0xC0209071 occurred, and the error row disposition on "output column "attch_file_content_t" (13209)" specifies failure on error. An error occurred on the specified object of the specified component. There may be error messages posted before this with more information about the failure. Meng Chew

MDX to retrieve data from Time hierarchy

Hi there, I have a time hierarchy Year->Quarter->Month->Day. I need to get all the level data by one MDX.  Desired result set should look like Year    Quarter    Month    Day  MeasureValue 2010    Q1           Jan       01     1000 2010    Q1           Feb       28     500 Thanks, Palash

xmldatasource and xpath expression evaluation

Hi, I am working with XMLdatasource and trying to consume a XML file. Now problem is there are scenarios when a link is not available in the xml file. Like in the e.g. below: <a href='<%# XPath("link") %>' >  </a>  say "link" can or cannot be there in the file. Now when "link" is missing, this expression throws exception. How can I handle this exception so that it continues loading page normally or can I check "link" existence somehow? Thanks.

Arithmetic overflow error converting expression to data type smallint

Can anyone tell me what exactly this means? Arithmetic overflow error converting expression to data type smallint. 

Help needed on XPath Error: System.Xml.XPath.XPathException: Expression must evaluate to a node-set.

Im trying to determine if a value already exists in an XML file. In this case I want to know if there's a node "id" with value 3. But I cant figure out how...XML:<root><data><compare><locations><id>3</id><id>5</id></locations></compare></data></root>XSL:xmldoc.SelectSingleNode("//root/data/compare/locations/id=""3""")Error:XPath Error: System.Xml.XPath.XPathException: Expression must evaluate to a node-set.

retrieve data from emp table????

Hi!   I have employee table containing salary column. I want to retrieve 3rd highest salary from the table. what would be the query for that? I can though of select top (3) salary from emp orderby desc; But I need only one result set. How can i do that?? Thanks,  

Data type mismatch in criteria expression.

Protected Sub btnSave_OnClick(ByVal sender As Object, ByVal e As EventArgs) Dim StartDateYear As Integer = Int32.Parse(2000 + tbStartDateYear.Text) Dim StartDateMonth As Integer = Int32.Parse(ddlStartDateMonth.SelectedValue) Dim StartDateDay As Integer = Int32.Parse(ddlStartDateDay.SelectedValue) Dim startDate As Date = New Date(StartDateYear, StartDateMonth, StartDateDay) Dim folderStartDate As String = Convert.ToDateTime(startDate).ToString("dd.mm.yyyy") Dim projectName As String = tbProjectName.Text Dim projectCategory As String = ddlProjectCategory.Text Dim projectID As String = "" Dim objConnection As New OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0; Data Source=|DataDirectory|MOPPS.mdb;") Dim insertSQL As String = "INSERT INTO Projects([Project Title], [Start Date], [Project category]) VALUES (@projectName, @startDate, @projectCategory);" Dim insertCommand As New OleDbCommand(insertSQL, objConnection) Dim IDSQL As String = "SELECT [ProjectID] FROM Projects WHERE [Project Title]='" & projectName & "' AND [Start Date]='" & startDate & "' AND [Project category]='" & projectCategory & "';" Dim IDCommand As New OleDbCommand(IDSQL, objConnecti
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