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Saturday, 21 May 2016

Transfer DataTable Row Value to List Collection In C#.Net

5/21/2016 - By Pranav Singh 0

This article will show you how you can transfer datatable row values to class list collection using C#.Net. In this first i have prepared the date to datatable and after that i have transferred data to datatable using C#.Net

So here is the code for the datatable row value collection.

  public DataTable DataTableValue()
        {
            DataTable dt = new DataTable();
            dt.Clear();
            dt.Columns.Add("Id");
            dt.Columns.Add("CountryName");
            dt.Columns.Add("Population");
            dt.Columns.Add("Code");

            DataRow dataRow1 = dt.NewRow();
            dataRow1["Id"] = 1;
            dataRow1["CountryName"] = "India";
            dataRow1["Population"] = "125 Cr";
            dataRow1["Code"] = "IN";
            dt.Rows.Add(dataRow1);

            DataRow dataRow2 = dt.NewRow();
            dataRow2["Id"] = 2;
            dataRow2["CountryName"] = "Pakistan";
            dataRow2["Population"] = "50 Cr";
            dataRow2["Code"] = "PK";
            dt.Rows.Add(dataRow2);

            DataRow dataRow3 = dt.NewRow();
            dataRow3["Id"] = 3;
            dataRow3["CountryName"] = "United States";
            dataRow3["Population"] = "25 Cr";
            dataRow3["Code"] = "US";
            dt.Rows.Add(dataRow3);

            return dt;
        }

You can fill your datatable with your sql database table value also. After this we will create a class file and add the below code into the class.

  public class CountryDetail
    {
        public int Id { get; set; }
        public string CountryName { get; set; }
        public string Population { get; set; }
        public string Code { get; set; }
    }

After this I will show you the way to transfer the datatable value to the list collection. Now check the below code.

DataTable dt = new DataTable();
            dt = DataTableValue();
            //Class list object
            List<CountryDetail> countryDetail = new List<CountryDetail>();
            for (int i = 0; i < dt.Rows.Count; i++)
            {
                countryDetail.Add(new CountryDetail
                {
                    Id = Convert.ToInt32(dt.Rows[i]["Id"]),
                    CountryName = dt.Rows[i]["CountryName"].ToString(),
                    Code = dt.Rows[i]["Code"].ToString(),
                    Population = dt.Rows[i]["Population"].ToString()
                });
            }

In above code I have shown you to first read the datatable and after that add the value into the list collection. Check the final output in debug mode. Have a look the below output.


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