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By: a guest on
May 23rd, 2012 | syntax:
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Mono on OS X: System.Data.SQLite does not work
public static void Main (string[] args)
{
string connectionString = "Data Source=emp.db";
try {
using (SQLiteConnection conn = new SQLiteConnection(connectionString))
{
string query = "SELECT firstname, lastname FROM employees";
using (SQLiteCommand comm = new SQLiteCommand(query, conn))
{
conn.Open();
comm.CommandText = query;
using (SQLiteDataReader reader = comm.ExecuteReader())
{
while (reader.Read())
{
string firstname = reader.GetString(0);
string lastname = reader.GetString(1);
Console.WriteLine("Name: " + firstname + " " + lastname);
}
DataTable dt = new DataTable();
dt.Load(reader); // line 39 where problem occurs
}
}
}
} catch (Exception e) {
Console.WriteLine(e);
}
}
Name: John Doe
Name: Eric Smith
System.EntryPointNotFoundException: sqlite3_column_origin_name
at (wrapper managed-to-native) System.Data.SQLite.UnsafeNativeMethods:sqlite3_column_origin_name (intptr,int)
at System.Data.SQLite.SQLite3.ColumnOriginalName (System.Data.SQLite.SQLiteStatement stmt, Int32 index) [0x00000] in <filename unknown>:0
at System.Data.SQLite.SQLiteDataReader.GetSchemaTable (Boolean wantUniqueInfo, Boolean wantDefaultValue) [0x00000] in <filename unknown>:0
at System.Data.SQLite.SQLiteDataReader.GetSchemaTable () [0x00000] in <filename unknown>:0
at System.Data.Common.DataAdapter.BuildSchema (IDataReader reader, System.Data.DataTable table, SchemaType schemaType, MissingSchemaAction missingSchAction, MissingMappingAction missingMapAction, System.Data.Common.DataTableMappingCollection dtMapping) [0x0003b] in /private/tmp/monobuild/build/BUILD/mono-2.10.6/mcs/class/System.Data/System.Data.Common/DataAdapter.cs:284
at System.Data.DataTable.Load (IDataReader reader, LoadOption loadOption) [0x0001f] in /private/tmp/monobuild/build/BUILD/mono-2.10.6/mcs/class/System.Data/System.Data/DataTable.cs:2853
at System.Data.DataTable.Load (IDataReader reader) [0x00011] in /private/tmp/monobuild/build/BUILD/mono-2.10.6/mcs/class/System.Data/System.Data/DataTable.cs:2838
at SQLiteApp.MainClass.Main (System.String[] args) [0x00086] in /Users/nayaabkhan/Projects/SQLiteApp/SQLiteApp/Main.cs:37