I have a function and I am getting an error message. I need to convert my DataTable to an array and be able to access each line individually. This is the error message: Operator '-' is not defined for types 'System.Data.DataRowCollection' and 'Integer'.
I am trying to implement ajax auto complete control using a standard webservice. inside webservice a table adapter is called which will return a dataTable containing a single column. this table adapter uses a stored procedure with following script
I have one ListView. If someone selects an item (as LinkButton) in the ListView, then the program will retrieve the record value and then converted the record value into ArrayList.
Is there VB code example (or showing a link) how to write the program in one page aspx?
i have a dataTable, which contains a column which has 100 rows, now i want to add those rows in ArrayList, but not with the Add Method, because i have to use for loop for adding records one by one, so i want to prefer addrange method of arraylist, so it is possible to add records in arraylist from DataTable using AddRange.
Below is the code which i am using.
Dim adapGetImages As New SqlDataAdapter("select distinct FileName from Files where Filename<>'' and (RIGHT(FileName,3) = 'gif' or RIGHT(FileName,3) = 'jpg' or RIGHT(FileName,3) = 'bmp') order by FileName", connection) Dim dtGetImages As New DataTable() adapGetImages.Fill(dtGetImages) ArrayList1.AddRange(dtGetImages.Rows[0][0].ToString())
The last line is where i am stuck. as if i run this it will just add single row, and if i say dtGetImages.Rows.ToString() then this will just Add System.DataRow in Arraylist and not its content.
i want to create a arraylist which will able to store user info like (username,machineIP,port ) for each user in the list & retrive this data when needed . any one tell me how i can do it or any alternative way without database or xml file.
I am doing GridView Sorting without ObjectDataSource. For this requirement I need to convert DataTable to DataView, I know I can do that in VS 2008 but How can I do this in VS 2005.
Possible DuplicateNET - Convert Generic Collection to DataTable i want to convert list datatype to datatype. wrote the function
static DataTable ListToDataTable<T>(IEnumerable<T> list) { var dt = new DataTable(); foreach (var info in typeof(T).GetProperties()) { dt.Columns.Add(new DataColumn(info.Name, info.PropertyType)); [code]...
Table TableDDl = new Table(); and I have DataTable
DataTable DataTableDDl = new DataTable();
who can I put the same data from AspTable in the same place in DataTable ?
Ex...If I have "Hello" in (third row and first cell) in AspTable....Who can I put "Hello" in (Third Row and First Colum in DataTable) >>>But for add data...
I try
DataTable1.Load(Table1);
But it didn't work because it want a reader....I want the same thing but With AspTable
Dim list As List(Of DataRow) = dt.AsEnumerable().ToList()When I compile I get the error: 'AsEnumerable' is not a member of 'System.Data.DataTable'.I added Imports system.data.datatableextensions to the file..This code works when I run it on a asp.net project But when I use the same code in Website it returns the above error..Can anyone help solve this error.
I have a web service that is running and it shows a list of employees with their information. I created the web service with the following code:
[Code]....
The problem is 'Null' values in the datatable don't show up as empty tags in the XML so when I read the XML from the web service this is no consistency. Is there a way to show the tags even when the fields are null in the datatable or is there a better way to accomplish what I need. I'm reading this web service from a silverlight application with the following code (this application works but, it doesn't show all the employees as it skips over when no tag is present):
In my aspx page I have a HTML inputfile type which allows user to browse for a spreadsheet.Once the user choses the file to upload I want to read the content of the spreadsheet and store the content into mysql database table. I am using the following code to read the content of the uploaded file and convert it into a datatable in order into insert it into database table.
if (filMyFile.PostedFile != null) { // Get a reference to PostedFile object HttpPostedFile myFile = filMyFile.PostedFile; // Get size of uploaded file int nFileLen = myFile.ContentLength; // make sure the size of the file is > 0 if (nFileLen > 0) { // Allocate a buffer for reading of the file byte[] myData = new byte[nFileLen]; // Read uploaded file from the Stream myFile.InputStream.Read(myData, 0, nFileLen);...................................