"entity fast insert recordset" Code Answer's
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entity fast insert recordset
// at some point in my calling code, I will call:
var myDataTable = CreateMyDataTable();
myDataTable.Rows.Add(Guid.NewGuid,tableHeaderId,theName,theValue); // e.g. - need this call for each row to insert
var efConnectionString = ConfigurationManager.ConnectionStrings["MyWebConfigEfConnection"].ConnectionString;
var efConnectionStringBuilder = new EntityConnectionStringBuilder(efConnectionString);
var connectionString = efConnectionStringBuilder.ProviderConnectionString;
BulkInsert(connectionString, myDataTable);
private DataTable CreateMyDataTable()
{
var myDataTable = new DataTable { TableName = "MyTable"};
// this table has an identity column - don't need to specify that
myDataTable.Columns.Add("MyTableRecordGuid", typeof(Guid));
myDataTable.Columns.Add("MyTableHeaderId", typeof(int));
myDataTable.Columns.Add("ColumnName", typeof(string));
myDataTable.Columns.Add("ColumnValue", typeof(string));
return myDataTable;
}
private void BulkInsert(string connectionString, DataTable dataTable)
{
using (var connection = new SqlConnection(connectionString))
{
connection.Open();
SqlTransaction transaction = null;
try
{
transaction = connection.BeginTransaction();
using (var sqlBulkCopy = new SqlBulkCopy(connection, SqlBulkCopyOptions.TableLock, transaction))
{
sqlBulkCopy.DestinationTableName = dataTable.TableName;
foreach (DataColumn column in dataTable.Columns) {
sqlBulkCopy.ColumnMappings.Add(column.ColumnName, column.ColumnName);
}
sqlBulkCopy.WriteToServer(dataTable);
}
transaction.Commit();
}
catch (Exception)
{
transaction?.Rollback();
throw;
}
}
}
Source: stackoverflow.com
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