How to convert DataRow to a List?

Convert DataTable to List using a Generic Method

  1. private static List ConvertDataTable(DataTable dt)
  2. {
  3. List data = new List();
  4. foreach (DataRow row in dt.Rows)
  5. {
  6. T item = GetItem(row);
  7. data.Add(item);
  8. }

How to convert List DataRow to List string in c#?

List drlist = dt. AsEnumerable(). ToList(); List sEmail = new List(); foreach (object str in drlist) { sEmail. Add(str.

How to convert DataRow to string in c#?

OTHER TIPS

  1. var rowAsString = string. Join(“, “, dataTable. Rows[0]. ItemArray);
  2. LINQ adds some sugar: var stringArray = dr.ItemArray.Cast().ToArray()
  3. var rowAsString = string. Join(“, “, dr. ItemArray.
  4. This one worked for me: string[] months = string.Join(“,”, dataTable.Rows[0].ItemArray).Split(‘,’).ToArray();

How do I bind a DataSet to a list in C#?

private static DataTable Table(string name, IEnumerable list, PropertyInfo[] pi) { DataTable table = new DataTable(name);…Use

  1. var list = new List();
  2. list. Add(new Person { ID = 1, Name = “Arunava” });
  3. list. Add(new Person { ID = 2, Name = “Bubu” });
  4. DataSet converted = list. ConvertToDataSet(“TestTable”);

How do you convert a DataSet to a list in Python?

How to Convert Python Pandas DataFrame to List

  1. Convert Pandas DataFrame To List.
  2. Step 1: Create a DataFrame.
  3. Step 2: Use df. values to get a numpy array of values.
  4. Step 3: Use Pandas tolist() function.
  5. Use Pandas df. Series. tolist()
  6. Use iloc[] approach.
  7. Use df. columns. values. tolist()
  8. Conclusion.

What is the extension method in C#?

Extension methods enable you to “add” methods to existing types without creating a new derived type, recompiling, or otherwise modifying the original type. Extension methods are static methods, but they’re called as if they were instance methods on the extended type.

What is DataSet in C# with example?

DataSet is tabular representation of data. Tabular representation means it represents data into row and column format. Let’s look a simple example to using DataSet. In this example, I am using “student” Database ( Database name ) which has a table “student_detail”.

How do you convert a DataSet to a string in Python?

Fastest way to Convert Integers to Strings in Pandas DataFrame

  1. Method 1: map(str) frame[‘DataFrame Column’]= frame[‘DataFrame Column’].map(str)
  2. Method 2: apply(str) frame[‘DataFrame Column’]= frame[‘DataFrame Column’].apply(str)
  3. Method 3: astype(str)
  4. Method 4: values.astype(str)
  5. Output:

How to get a list from a datarow?

You need to reference the first column of that DataRow, which you can do with brackets (like an array). public List GetEmailList () { // get DataTable dt from somewhere. List sEmail = new List (); foreach (DataRow row in dt.Rows) { sEmail.Add (row [0].ToString ()); } return sEmail; // Ultimately to get a string list.

Can a datarow be turned into a string?

There’s several problems here, but the biggest one is that you’re trying to turn an entire row into a string, when really you should be trying to turn just a single cell into a string. You need to reference the first column of that DataRow, which you can do with brackets (like an array).

How to convert drarray to list < string [ ]?

My requirement is i want to convert drArray as List or Converting Datatable to List in a fastest way. This only works if the items stored in dr.ItemArray have overriden .ToString () in a meaningful way.

What’s the best way to get row values into a string?

If you just need a comma separated list for all of row values you can do this: A StringBuilder is the preferred method as string concatenation is significantly slower for large amounts of data. You will also have to cast to the appropriate type.