How To Modify Dataset Data
Jan 12, 2011
I'm trying to call a dataset, modify a value, and then put it back into a dataset.
I think this is possible but I'm doing something wrong
attached is an image of the table and the code
[Code]....
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Similar Messages:
Jun 18, 2010
I need to modify a dataset column's value. I tried using the following code but it's returning "Input string not in correct format error".
for (int iCount = 0; iCount < dataset.Tables[0].Rows.Count; iCount++)
{
dataset.Tables[0].Rows[iCount][23] = "Test";
}
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Mar 14, 2011
I want to modify an existing XML-File.
I used a DataSet to load the XML File with the ReadXml method.
I then displayed the relevant entries via the GetChildRows method.
I want to change/add/delete those ChildRows:
How can I accomplish this?
Below is the xml before edit
[code]....
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Dec 21, 2010
I have a detailsview, template as follows:
[Code]....
Codebehind: creating dataset, getting data from sql with adaptor and filling into dataset object, then setting detailsview's datasource.
I add 2 button to above template to able to edit data at asp page, and added event handlers:buttons:
[Code]....
My question is, what to do inside the detailsview update event function to able to edit and update data. My method can be wrong too.
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Mar 31, 2011
In my project I work with Entity Framework (LINQ to ENTITY). I only have ADO.NET Entity Data Model and a DAL (Data Access Layer). I also get the data due a WCFClientService. I have a gridview that needed to be exported in Excel.
FlexCel is a tool for generating Excel files based on a template. The only thing I see in demo's is that they work with DataSets.
Is there a way to convert the data in my gridview to a virtual DataSet?
I've written the following method to get the data:
[Code]....
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Jan 18, 2010
What I am thinking is this? Is it possible for me to upload the data from an excel file to dataset of my application first, so that the user can view the data in a gridview to review it first, before the user strike the save button, to save it in the database. So, that in case there is a problem, the gridview will high light all the data with an error. So the user can easily pull out the excel and correct the data before saving it in the database.
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Jun 28, 2010
i have retrieved data from the database and stored in dataset.i have to add an additonal row to it,update the data in data set and delete data from the data set..
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Mar 18, 2010
Im having a hard time making ends meet with cenerio.
I have a daily task database that stores the
date, project number, start time, end time and total time
One date could have multiple entries.
I'm trying to link my data to a calender so when I pick a date all the daily tasks are pulled into a gridview.
Also I want the calendar to pull up a blank form where I can input all that info in if the date has no entries.
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Apr 16, 2014
I have using Static Variable in My project.i want Change Static variable value because of transfer the value b/w two Forums... and I want Change value at run time...provide solution
Or else Any other way transfer value b/w two forms......
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Feb 26, 2013
How to fetch, insert, delete and modify the data in gridview...
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Sep 29, 2010
I have a scenario like below:I navigate to the reader page with the below form data
<form id="mainForm" action="Reader.aspx" method="post">
<input type="hidden" id="bookId" name="bookId" />
<input type="hidden" id="startPageId" name="startPageId" />
</form>
Initially the hidden variable values will be bookId=1 and startPageId=5
I navigate between the pages by using javascript and assume the startPageId will now change to 8.I want the new value to be stored in the above form data and want to submit the same page with different form data
bookId=4
startPageId=10
When I click on the browser back button, I want the user to be navigated back to the BookId=1 and startPageId=8
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Feb 20, 2010
I have a gridview that displays data from my online database. Works great. edit/update/delete functions work also.
I decided to import data into my database through my SQL Server web admin. It worked fine, and the imported data now shows up in my gridview, but once I decide to use my gridview edit/delete buttons, the grid won't update the data or delete the rows. It will however properly function on the rows that were manually entered with the gridview and/or in visual studio.
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Feb 27, 2012
how can i add, display ,edit ,modify data via vb.net 2005 by sql server 2005
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Mar 25, 2010
I have worked a lot with gridviews, etc, but I am relatively new to Repeaters and I have a page that uses a Repeater to display records from a SQL Database. By default the date in the SQL field is 01/01/1900. I need to format the dateSHAWSTART & dateSHAWEND in my repeater so that if the date is 01/01/1900 that the fields should be blank. Here is my VB Code Behind:
[Code]....
My repeater code on my aspx page:
[Code]....
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Apr 27, 2010
I'm trying to use ADO .NET to select data from this table in excel. I'm not sure at this point if I need to modify the table to make it more easy to select data from it. Here's what the excel table looks like
I guess I don't know where to really start. I'm pretty much trying to grab the numbers in the middle(design pressure) based on Mull length in inches and opening width. so the user will input the height and width of window. then if it's going into concrete or wood.. if it;s wood then in the clip to opening row if he uses (2)A or 3(b) he will have a DEsign pressure of 170 if mull length is 42 and opening width is 70. in the same 70 column if he uses (3)a 0r 3(b) his DP will be also 170 in this case.. So I will have a user interface and ask the user for a width of window and height of window which will be the Mull Length and what substrate(wood or concrete) based on that I want to display if u use this amount of screws A or B u will get this DP.
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Jan 2, 2010
Can you direct me how can i access input data of DetailsView in ItemUpdating event? I want do some modification on data that user input to Detailsview.
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Jan 11, 2011
I am displaying a checkbox in gridview in itemtemplate. It is displayed as checked when the database value is 1 and displayed as unchecked, if the database value is 0. My requirement is when a link button in gridview is clicked, the checkbox, if it is checked should be unchecked and viceversa. Also, I need to save the corresponding values to database. How is this done in the click event of linkbutton. Is there any other method.
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Mar 7, 2010
Im still a newbie in both the software and over here.. not quite sure where to put this topic
I have an unbound gridview.. which uses databind instead of sqldatasource..
the thing is how do I modify the title of the column name?
For example.. instead of
MemberID MemberName MemberAddress.... i want it to be like
ID Name Address..
Sample code:
cmdSelectService = new SqlCommand("SELECT JobPost.JobPostID, JobPost.JobPostInformation, JobSpecialization.JobSpecializationName,[code]....
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Oct 5, 2010
how to modify gridview with many rows with one button at once.
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Aug 31, 2010
Basically, I have a custom templated control with a custom data container class. When a developer adds an instance of my control to a page, they can define the controls in the LayoutTemplate however they like, as follows:
<ml:MyControl id="MyControl1" runat="server">
<LayoutTemplate>
<span><%#Container.ErrorMessage%></span>[code]...
I would like my control to automatically move the "ml_errormessage" (databound content from Container.ErrorMessage - hard coded token in the property) to be a class of its containing element to make it easier for jQuery to use a selector to find the element and dynamically insert the error message client side. More importantly, I would like it moved out of the way so the class name doesn't get replaced by the content and jQuery can find it as many times as it needs to during the page lifecycle. In other words, I would like the output to look like this without the developer changing the input template or resort to using custom controls in the template:
<span id="MyControl1"><span>
<span class="ml_errormessage"></span>
</span></span>
I would like to move the value using the controls collection rather than resorting to string parsing of the output, if possible. However, when I interrogate the collection in an override of OnPreRender, the control in the template looks like this in the debugger:
{System.Web.UI.DataBoundLiteralControl}
System.Web.UI.DataBoundLiteralControl: {System.Web.UI.DataBoundLiteralControl} [code]...
As you can see the "ml_errormessage" value is nowhere to be found. Upon analysis of the DataBind event of the Control class using Reflector, I see that it delegates the binding behavior to each control. In other words, each control handles its own databinding. However, since I have no way of knowing in advance what control types will be in the template, how can this change be done?
Note: an acceptable alternative would be to add a new HtmlGenericControl (span) in the exact spot where the "ml_errormessage" is and add it as a class to this new control.On a side note, is there an easy way to get the control's output to indent for easy reading during debugging?
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May 24, 2010
I have a very simple datalist setup to a SQLDatasource. Displaying the data works great. But I want to replace the plain databinder container with a hyperlink instead and have that link setup to point to a detail page with a parameter. Here is my datalist setup:
[Code]....
On another page im using gridviews adn able to do what i need by using the RowDataBound of the gridview like so, how can I accomplish the same thing with a datalist?
[Code]....
I tried using the ItemDataBound and trying to modify the logic above to fit the datalist, but cant figure out how to, so I have it commented out at the moment.
[Code]....
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Jun 18, 2010
I'm using Dynamic Data and LINQ to SQL for some admin pages on a .NET 3.5 web app. All my admin tables have a CreatedBy, CreatedDate, UpdatedBy, and UpdatedDate.I'm looking for a way to inject the setting of these properties before the objects are inserted and updated.
I've seen an object_inserting hook if you have a linq to sql datasource in the web form, but I'm using dynamic data...is there an easy way to generically set that? And I've also looked at modifying each of the partial classes for my admin objects, but the closest hook I see is to implement the OnValidate method with the Insert action.
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Jan 28, 2010
I've taken over an ASP.NET project and the previous dev used "dynamic" DSNs sprinkled throughout the application. These data sources are databound to several controls throughout the site.I'd prefer to use a system DSN that I would define on my dev machine and the production web server. This way if I need to change the location of the SQL database I can just change the system DSN on the server instead of modifying the code and recompiling the application in Visual Studio.What is the easiest way to list all these dynamic DSNs that are in use in this web site project in Visual Studio 2008 and modify them to use a system DSN instead?
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Oct 18, 2010
i had a requirement for dynamic sorting so i wanted to assign order by.. dynamically depending on what column is clicked for sorting
i tried to modify the sql data source command
in ds selecting event by using
e.command.CommandText=modifiedCommandHere; but it doesnt work as it always picks up selectCommand specified in aspx page
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Aug 27, 2010
I'm a bit new to this game. I'm trying to build a web page that simply scans a directory in the server and creates a web page with links to the files in that directory - sounds simple and should be easy to do !So I have a bit of code that reads the myDocuments folder in my web site and then populates a grid view hyperlink column with the filenames in the folder - wow it works !The only thing I am struggling with now is getting the hyperlink correct within the GridView so that the user goes to the actual document.So my code behind is;
[Code]....
which reads the file info in the directory myDocuments and binds the info to a datasource.So now I'm using that datasource to display the filenames in a gridview so that the user can click on a name and open the file.
[Code]....
But of course the Name field in the hyperlink column is only the name of the file - how do I append the relative link to the filename to make the full path to the file correct.I tried to make the Hyperlink column a template field and do something like EVAL("~/path/"&"Name") but that doesn't work :(
[Code]....
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