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Iterating through dataset in C#
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using System; | |
using System.Data; | |
class Program | |
{ | |
static void Main() | |
{ | |
DataTable table1 = new DataTable("patients"); | |
table1.Columns.Add("name"); | |
table1.Columns.Add("id"); | |
table1.Rows.Add("sam", 1); | |
DataTable table2 = new DataTable("medications"); | |
table2.Columns.Add("id"); | |
table2.Columns.Add("medication"); | |
table2.Rows.Add(1, "atenolol"); | |
table2.Rows.Add(6, "trifluoperazine"); | |
// Create a DataSet. | |
DataSet set = new DataSet("office"); | |
set.Tables.Add(table1); | |
set.Tables.Add(table2); | |
// Loop over DataTables in DataSet. | |
DataTableCollection collection = set.Tables; | |
for (int i = 0; i < collection.Count; i++) | |
{ | |
DataTable table = collection[i]; | |
Console.WriteLine("{0}: {1}", i, table.TableName); | |
} | |
// Write name of first table. | |
Console.WriteLine("x: {0}", set.Tables[0].TableName); | |
// Write row count of medications table. | |
Console.WriteLine("y: {0}", set.Tables["medications"].Rows.Count); | |
// Get names of all columns | |
foreach(DataColumn column in set.Tables[0].Columns) | |
{ | |
Console.WriteLine(column.ColumnName); | |
} | |
} | |
} |
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