How to sort list item and make another lists of sorted items?

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I have following items in my list and i want to sort this list in multiple sub lists for further process.

my list items are,

Table=Corporate_Name$$
Table=Customer_Name$$sanjay
Table=Cutomer_Name_For_Print_At_Bottom$$sanjay
Table1=Company_Name$$RWL Healthworld Limited
Table1=Bill_Status$$G
Table1=Home_Delievery$$N
Table2=User_Name$$Nazam
Table2=User_Name$$Nazam
Table2=User_Name$$Nazam
Table3=payment_value$$305.49
Table3=cash_amount_taken$$1000.00
Table3=cash_amount_returned$$694.51
Table3=TenderName$$Cash
Table3=TenderType$$1

I want to make sub lists like,
list 1 having items whose starts with Table,
list 2 having items whose starts with Table1,
list 3 having items whoes starts with Table2,
and so on; however the number of tables are

What I have tried:

Adding code

cmd = new MySqlCommand();
                                       cmd.CommandType = CommandType.StoredProcedure;
                                       cmd.CommandText = "sp_GetPosBillDetail_ForPrint";
                                       cmd.Parameters.Add(new MySqlParameter("inParam", onestr));
                                       cmd.Parameters.Add(new MySqlParameter("outParam", "@outParam"));
                                       cmd.Parameters["@outParam"].Direction = ParameterDirection.Output;
                                       cmd.Connection = con1;
                                       table = new DataTable();
                                       DataSet ds = new DataSet();
                                       adapter = new MySqlDataAdapter(cmd);
                                       adapter.Fill(ds);
                                       List<string> dtcol = new List<string>();

                                       for (int i = 0; i < ds.Tables.Count; i++)
                                       {
                                           foreach (DataColumn column in ds.Tables[i].Columns)
                                           {
                                               for (int m = 0; m < ds.Tables[i].Rows.Count; m++)
                                               {
                                                   dtcol.Add(ds.Tables[i] + "$$" + column + "$$" + ds.Tables[i].Rows[m][column].ToString());
                                               }
                                           }
                                       }

I have tried with writing switch case but not working properly.

C#

switch (dtcol[n].Substring(0,5))
                                           {
                                               case "Table":

                                                   break;

                                               case "Table1":                                                 
                                                      break;

                                               case "Table2":
                                                   break;

but i dont know number of tables thats why this logic is not possible.

Posted 18-Jul-17 19:43pm

Member 11543226

Updated 18-Jul-17 23:39pm

v3

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Comments

RickZeeland 19-Jul-17 2:36am

Are you using data from a DataTable ?

Member 11543226 19-Jul-17 2:39am

yes

Member 11543226 19-Jul-17 2:41am

adding previous code pls have look

2 solutions

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Karthik_Mahalingam · Answer 1 · 2017-07-18T20:44:00

try

List<string> lst = new List<string>();
          lst.Add("Table=Corporate_Name$$");
          lst.Add("Table=Customer_Name$$sanjay");
          lst.Add("Table=Cutomer_Name_For_Print_At_Bottom$$sanjay");
          lst.Add("Table1=Company_Name$$RWL Healthworld Limited");
          lst.Add("Table1=Bill_Status$$G");
          lst.Add("Table1=Home_Delievery$$N");
          lst.Add("Table2=User_Name$$Nazam");
          lst.Add("Table2=User_Name$$Nazam");
          lst.Add("Table2=User_Name$$Nazam");
          lst.Add("Table3=payment_value$$305.49");
          lst.Add("Table3=cash_amount_taken$$1000.00");
          lst.Add("Table3=cash_amount_returned$$694.51");
          lst.Add("Table3=TenderName$$Cash");
          lst.Add("Table3=TenderType$$1)");

          string[] keys = lst.Select(k => k.Split('=')[0]).Distinct().ToArray();
          Dictionary<string, List<string>> dict = new Dictionary<string, List<string>>();
          foreach (string key in keys)
          {
              dict.Add(key, lst.Where(k => k.StartsWith(key + "=")).ToList());
          }

RickZeeland · Answer 2 · 2017-07-18T23:39:00

Solution 2

I think you need something like:

C#

switch (dtcol[n].Substring(0,7)) 
{ 
  case "$$Table$":
...
  case "$$Table1":

Posted 18-Jul-17 23:39pm

RickZeeland