How to Convert CSV to DataTable?

How to Convert CSV to DataTable?

Convert CSV to datatable

  1. private void ConvertCSVtoDataTable(string filePath)
  2. {
  3. LogMessage(“(<-o->)”);
  4. // Counts lines in file.
  5. long lineCount = 0;
  6. int columnsCount = 0;
  7. char divider = ‘|’;
  8. // FIRST LINE – Read first Line for Columns Count.

How to read CSV file in c# to DataTable?

Convert a CSV file to DataTable in C#

  1. public static DataTable ConvertCSVtoDataTable(string strFilePath)
  2. {
  3. StreamReader sr = new StreamReader(strFilePath);
  4. string[] headers = sr. ReadLine(). Split(‘,’);
  5. DataTable dt = new DataTable();
  6. foreach (string header in headers)
  7. {
  8. dt. Columns. Add(header);

How to read Data from CSV file to DataTable in c#?

Using the stream reader read the whole file into a string FullText. Now split the FullText with ‘\n’ to get the rows (row wise data)….Let’s start

  1. Add a web page ReadCSV.
  2. Add a File upload control to choose file.
  3. Add a Submit button read the selected file.
  4. Add a grid view to see the CSV file data.

How do I open a CSV file on my iPhone?

Select the group iCloud and then click Import in the toolbar. Select the CSV file that contains the contacts you want to import to iPhone and click Open. Once the changes are synced to iPhone, you can successfully import CSV contacts to your iPhone.

What is TextFieldParser C#?

The TextFieldParser object provides methods and properties for parsing structured text files. Parsing a text file with the TextFieldParser is similar to iterating over a text file, while using the ReadFields method to extract fields of text is similar to splitting the strings.

How do I import CSV file to iPhone?

Log in your iCloud account from www.icloud.com with your passcode. Click “Contacts” on the home screen to check the contacts. Move to a setting icon on the left bottom side to select “import contacts” so that you can choose the csv file that you’d like to import to iPhone.

How do I make a CSV file from vCard?

Follow these steps to convert Excel (xls/xslx/csv) to vCard vcf

  1. Upload Excel/csv file to convert.
  2. Select first row,column and last row,column as per data in you sheet.
  3. Select which column contains what data.
  4. You will receive demo vcf file in your email address, containing your few contacts.

Which is faster DataSet or DataTable?

DataTables should be quicker as they are more lightweight. If you’re only pulling a single resultset, its your best choice between the two.

What is the difference between DataSet and DataTable?

1) A DataTable is an in-memory representation of a single database table which has collection of rows and columns whereas a DataSet is an in-memory representation of a database-like structure which has collection of DataTables. A dataset is an in-memory representation of a database-like structure.

Where is Microsoft VisualBasic DLL?

So you’ll find it in c:\windows\microsoft.net\framework\v2. 0.50727 , along with the other core assemblies like System. dll and mscorlib. dll.

How do I install Microsoft VisualBasic Fileio?

3 Answers

  1. Right-click on your project and select Add Reference…
  2. In the Reference Manager, expand Assemblies and select Framework. Then check the box for Microsoft. VisualBasic and click OK.

How big is CSV file to read into DataTable?

I want to read CSV file into Datatable in C#. It consist of around 7000 rows and 22 columns.Some sample data will be. PLese Help as early as possible.

Is there a way to load data into a DataTable?

There is no direct way of loading the data into a datatable. You will it can be loaded into a datatable row. I don’t think there is a built-in way to do it. This discussion has a few useful links. Especially read the one on Code Project. There is no direct way of loading the data into a datatable.

How are column types determined in CSV file?

I was loading/parsing a CSV file, and simply added the parsed data to a datatable object, and initially set the column DataType property to object, and then determined the appropriate types from the data in the datatable.

How to change datatype of DataTable object in C #?

You can use [CopyToDataTable ()] method instead: The details are fuzzy, but I seem to remember that I was getting strange results when I did it that way.

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