public static SortedDictionary <string, int> GetRelativeItemsSource(string tableName, string columnName, bool addNullItem)
{
var relation = TableKeys.GetColumnRelation(tableName, columnName);
var result = new SortedDictionary <string, int>();
if (string.IsNullOrEmpty(relation.tableName) == false)
{
var table = TableManager.GetTable(relation.tableName);
string valueColName = GetValueColumnName(table, relation.columnName);
DataRow[] rows = table.Select();
foreach (DataRow row in rows)
{
var key = (int)row[relation.columnName];
var value = GetRowStringView(row, relation.columnName, valueColName);
result.Add(value, key);
}
}
if (addNullItem)
{
result.Add("", -1);
}
return(result);
}
public static SortedSet <string> GetTableItems(string tableName, string columnName)
{
DataTable tab = TableManager.GetTable(tableName);
bool isFk = TableKeys.CheckColumnKeyType(tableName, columnName, TableKeys.KeyType.ForeignKey);
var keysList = GetUniqueSet(tab, columnName);
var valuesList = new SortedSet <string>();
foreach (var value in keysList)
{
if (isFk)
{
valuesList.Add(GetValueByKey(tableName, columnName, value, true));
}
else
{
valuesList.Add(value.ToString());
}
}
if (valuesList.Contains("") == false)
{
valuesList.Add("");
}
return(valuesList);
}
public static SortedDictionary <string, int> GetTableKeyItems(string tableName, string columnName, bool addNullItem = true)
{
DataTable tab = TableManager.GetTable(tableName);
bool isFk = TableKeys.CheckColumnKeyType(tableName, columnName, TableKeys.KeyType.ForeignKey);
var result = new SortedDictionary <string, int>();
if (isFk)
{
var keysList = GetUniqueSet(tab, columnName);
foreach (var key in keysList)
{
var value = GetValueByKey(tableName, columnName, key, true);
if (result.ContainsKey(value) == false)
{
result.Add(value, (int)key);
}
}
if (result.ContainsKey("") == false && addNullItem)
{
result.Add("", -1);
}
}
return(result);
}
public static DataRow DecodeRow(DataRow sourceRow, string tableName)
{
var destTable = TableManager.GetTable(tableName);
return(DecodeRow(sourceRow, destTable));
}