public static void RemoveAll(this DataGridViewRowCollection collection, Func <DataGridViewRow, bool> predicate)
{
if (collection == null)
{
throw new ArgumentNullException(nameof(collection));
}
if (predicate == null)
{
throw new ArgumentNullException(nameof(predicate));
}
collection.RemoveAll(collection.Cast <DataGridViewRow>().Where(predicate));
}
void AddItemToDownloadQueue(DataGridViewRowCollection rows)
{
var items = rows.Cast <DataGridViewRow>()
.Where(row => row.Selected)
.Select(item => (IChapter)item.DataBoundItem)
.Reverse();
foreach (var item in items)
{
if (!DownloadQueue.Contains(item))
{
item.SaveDestination = SaveDestination;
DownloadQueue.Add(item);
}
}
}
private void создатьToolStripMenuItem_Click(object sender, EventArgs e)
{
DataGridViewRowCollection attributes = dataGridView.Rows;
System.Collections.IList list = attributes;
var tableName = tableNameTextBox.Text;
var realTableName = "t" + DateTime.Now.ToString("ddMMyyyy_HHmmss");
if (!CheckValidity())
{
return;
}
var dataGridViewRows = attributes.Cast <DataGridViewRow>()
.Where(row => (string)row.Cells[0].EditedFormattedValue != "");
var createCols = dataGridViewRows
.Select((row, index) => Row2SqlCreateTable(row, index));
var fkStartIndex = dataGridViewRows.Count();
var fkAttributes = fkDataGridView.Rows.Cast <DataGridViewRow>().Where(row => (string)row.Cells[0].EditedFormattedValue != "");
var fkCols = fkAttributes.Select((row, index) => FKRow2SqlCreateTable(row, index + fkStartIndex));
var colsInTable = createCols.Union(fkCols).ToList();
// create table
sqlExecutor.ExecuteNonQuery($"CREATE TABLE {realTableName}({string.Join(", ", colsInTable)})");
// create indexes
dataGridViewRows
.Select((row, index) => Row2SqlCreateIndex(row, index, realTableName))
.Where(x => x != "")
.Select(sqlExecutor.ExecuteNonQuery).ToList();
// create PK
dataGridViewRows
.Select((row, index) => Row2SqlPK(row, index, realTableName))
.Where(x => x != "")
.Select(sqlExecutor.ExecuteNonQuery).ToList();
// add constraint on FK for current table
if (fkAttributes.Count() > 0)
{
sqlExecutor.ExecuteNonQuery($"ALTER TABLE {realTableName} ADD "
+ string.Join(", ", fkAttributes.Select((row, index) => Row2FKSql(row, index + fkStartIndex, realTableName)))
);
}
// create EF Table
var efTable = new Table(tableName, realTableName);
efTable.Attributes = dataGridViewRows
.Select((row, index) => Row2Attribute(row, index))
.Union(
fkAttributes.Select((row, index) => Row2FKAttribute(row, index + fkStartIndex))
)
.ToList();
efTable.ParentTables = fkAttributes.Select(row => Row2ParentTable(row)).ToList();
metaDbContainer.TableSet.Add(efTable);
metaDbContainer.SaveChanges();
fkAttributes.Select(row =>
{
string tn = row.Cells[0].EditedFormattedValue.ToString();
string realName = tableRealName2Name[tn];
metaDbContainer.TableSet.Where(x => x.RealName == realName).First().ChildTables.Add(efTable);
return(0);
}).ToList();
metaDbContainer.SaveChanges();
log.Info($"Table {tableName} ({realTableName}) was created successfully");
MessageBox.Show("Таблица успешно создана!");
((MainForm)Parent.Parent).LoadTreeView();
this.Close();
}
public static IEnumerable <DataGridViewRow> AsEnumerable(this DataGridViewRowCollection rows) => rows.Cast <DataGridViewRow>();
public static IEnumerable <T> Select <T>(this DataGridViewRowCollection rows, Func <DataGridViewRow, T> selector)
{
return(rows.Cast <DataGridViewRow>().Select(selector));
}
public override IEnumerator <IGridItem> GetEnumerator()
{
return(_base.Cast <DataGridViewRow>().Select(GridItem.FromNativeItem).GetEnumerator());
}
