C# - Simple Way To Convert Datarow Array To Datatable?
Jan 23, 2010I want to convert an datarow array into datatable.. Wat is the simple way to do this?
View 3 RepliesI want to convert an datarow array into datatable.. Wat is the simple way to do this?
View 3 RepliesI have a dataset that has around 5 rows. I also have another Datarow() array that has an additional 3 rows which I would want to add to the dataset. The structure of both the Dataset Rows and the Datarow arrays are the same.
Do I have to perform a loop on the datatrow arrays and add them one by one? or is there a better way of adding them in one go ?
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);...................................
I have a datatable that I need to convert into a javascript array. This will allow me to do client-side validations on my webpage.
My datatable has 6 columns. X rows depending of the query results.
I was looking to use Me.ClientScript.RegisterArrayDeclaration but I just can't find how to build my 2-dimentional array to feed to this declaration.
On google I found some exemple for a 1-dimensional array, but nothing for 2-dimentional and I am not good enough in Jscript to figure it out myself.
how can i convert the column data in datatable to integer array the column data in datatable stored as:
1
2
3
4
after store to integer array,how can i get the max value in array
Every morning we send out an email with a text file attached. This is a manual process so I am automating it.I am using an internal mail web service. Its last two parameters are a byte array which is the file contents and a string which is the file name. I passed (...gbytes, "test.txt") and the only thing wrong with it is text.txt is XML. I want it to be text (csv is fine because there is actually four columns that come from a datatable).So I am assuming what's making it XML is this code:
Code:
System.IO.MemoryStream stream = new System.IO.MemoryStream();
System.Runtime.Serialization.IFormatter formatter = new System.Runtime.Serialization.Formatters.Binary.BinaryFormatter();
formatter.Serialize(stream, ds.Tables[0]);
gbytes = stream.GetBuffer();
I am trying to search the Internet for how to convert a datatable to a byte array, but I can't find how to have it be text instead of XML. Also, another parameter our WS takes is a flag to say if it's XML, and I am setting this to false.
I have string array values in
_Entry_Id="1,2,3,4"
Dim _arr_Entry_Ids() As String = Split(_Entry_Id, ",")
i want to store this array values in datatble column
[code]...
I have a problem with assigning string array into Datarow. Firstly, i have created the object for string array and put 2 values in the array out of 100(whole size). How many values should be placed in the array dependds on a different, which i am not showing here, though.
Then i tried converting into DataRow. But it says. "object reference not set to an instance of an object"
DataRow dr = null;
string[] strconcat = new string[100];
dr["concat"] = strconcat[i];
Edit-- Actually i was trying put these string array values into dropdown (ddchooseadeal).
[Code]....
I m trying to cast DataTable.Rows to DataRow in VB but could not manage!
Here is the sample code:
[Code]....
I'm fairly new to ASP.NET and am working through a tutorial that demonstrates the use of DataAdapter, DataTable, and DataRow classes. The tutorial focuses on binding returned DataTables to GridView objects - I'm having trouble understanding what to do to extract one row for display. I've found I can do the following:
ProductsTableAdapter productsAdapter = new ProductsTableAdapter();
Northwind.ProductsTable productsTable = productsAdapter.GetSingleByProductID(searchID)
Northwind.ProductsRow productRow = (Northwind.ProductsRow)productsTable.Rows[0];
A ProductsTable should be able to return its own ProductRows w/o resorting to a cast, no? Can't find how to do it otherwise. I'm thinking how to go about creating a form where the user will only ever be working on one record at a time. Wouldn't it make sense for the DAL to return a ProductsRow instead of a ProductsTable?
I have a DataTable that's populated with Data. I'm looping through it and checking to see what the contents of the first cell of the first column are. If they have the same value on the current iteration as the previous, I want to insert a blank row into my DataTable. The problem is that the new row is being added to the end of the DataTable instead of between the two rows. How can I get it not to append the row to the end. This is what I'm doing:
[Code]....
I want to delete the rows present in the DataTable by using LINQ (with out looping)
The deleted rows will be come from a LINQ as below
IEnumerable<DataRow> MobileQuery = (from d in dtBillDetail.AsEnumerable()
where (String.Compare(d.Field<string>("Destination"), "MOBILE", StringComparison.InvariantCultureIgnoreCase) == 0) select d );
The DataRows present in the "MobileQuery" should be deleted in the DataTable "dtBillDetail"
I have taken a DataTable control and have added colums to it. Now i want to add rows to that DataTable but when i am trying to create a DataRow of DataTable, an error is generated, showing "Value of type 'System.Data.DataRow' cannot be converted to 'dataRow'".
exact coding that i have written is as follows:
[Code]....
So, where i am getting wrong?
am i missing something here, only the 2nd datarow ever gets added to table
[Code]....
i add data in datatable...img1 and img2..
i try to call the image by using array but its read two img in one time...so its img1 only appear..
how to make it read both of img?
how to store the datatable values into the 1-D array , i know in for loop
View 1 Repliesusing vb.net 2005.
I'm trying to a byte array column to a table but getting an exception:
<error>
datatype argument cannot be null
</error>
The code I have is:
[Code]....
Does anyone know the correct syntax for this?
how to convert simple html to .net control
[Code]....
I have this simple html page that talks to a microchip. It turns a LED light on and off.
[Code]....
**************
Can someone give me some pointers on how to convert the above to asp.net. I have put two asp:buttons on a webForm. Then for the button clickevent of the btnOn would I use something this like this? Or is WebRequest the wrong concept to use? I can seem to get this code to work for me!
[Code]....
i need to convert an XML into an array using asp.net.I tried searching on the web but couldn't find the proper solution.
View 6 Replies I have stringarray called Timesplit with time like(17:00-2:00).How to store Timeplit array values into datetime array value.I am having 7 values that's why i am using TimeIn[arrayIndex].I will increment arrayIndex for 7 times for 7 timeIn.
I am getting error while trying to store TimesPlit[0] to TimeIn[arrayIndex].I want 17:00 into TimeIn[arrayIndex] and 2:00 into TimeOut[arrayIndex].If i use datetime will get date also so give me better options to store TimeIn and TimeOut.
Object reference error
DateTime[] TimeOut = null;
TimeIn[arrayIndex]=Convert.ToDateTime(TimeSplit[0]);
TimeOut[arrayIndex] = TimeSplit[1];
strring[] arritem={"1"};
int i=convert.Toint32(arritem[0]);
now error will throwed.how to slove this problem?
I am trying to convert TypedView class from LLBlGen to array.I am trying to bind this array to RadComboBox from Telerik. I am using WCF service to bind an array to list.
View 1 RepliesI currently have a function that returns a Dataset. I would to create another function to convert the DataSet to an array of objects. I have looked around and havent found anything that can help. Can someone show me a snippet or point me to the right direction.
View 4 Repliesi need the to convert the byte array in to string. The byte array is a two dimentional array. Is it possible to convert?
View 3 Replies