public SqlDeleteQuery(SqlConnection cnn, string connectionString, T obj) : base(cnn, connectionString)
{
SqlMapper mapper = new SqlMapper();
string tableName = mapper.GetTableName <T>();
List <PrimaryKeyAttribute> primaryKeys = mapper.GetPrimaryKeys <T>();
Dictionary <ColumnAttribute, object> listColumnValues = mapper.GetColumnValues <T>(obj);
string whereStr = string.Empty;
foreach (PrimaryKeyAttribute primaryKey in primaryKeys)
{
ColumnAttribute column = mapper.FindColumn(primaryKey.Name, listColumnValues);
if (column != null)
{
string format = "{0} = {1}, ";
if (column.Type == DataType.NCHAR || column.Type == DataType.NVARCHAR)
{
format = "{0} = N'{1}', ";
}
else if (column.Type == DataType.CHAR || column.Type == DataType.VARCHAR)
{
format = "{0} = '{1}', ";
}
whereStr += string.Format(format, primaryKey.Name, listColumnValues[column]);
}
}
if (!string.IsNullOrEmpty(whereStr))
{
whereStr = whereStr.Substring(0, whereStr.Length - 2);
_query = string.Format("DELETE {0} WHERE {1}", tableName, whereStr);
}
}
public SqlInsertQuery(SqlConnection cnn, string connectionString, T obj) : base(cnn, connectionString)
{
SqlMapper mapper = new SqlMapper();
string tableName = mapper.GetTableName <T>();
List <PrimaryKeyAttribute> primaryKeys = mapper.GetPrimaryKeys <T>();
Dictionary <ColumnAttribute, object> listColumnNameValues = mapper.GetColumnValues <T>(obj);
if (listColumnNameValues.Count != 0)
{
string columnStr = string.Empty;
string valueStr = string.Empty;
foreach (ColumnAttribute column in listColumnNameValues.Keys)
{
bool isAutoID = false;
foreach (PrimaryKeyAttribute primaryKey in primaryKeys)
{
if (column.Name == primaryKey.Name && primaryKey.AutoID)
{
isAutoID = true;
break;
}
}
if (!isAutoID)
{
string format = "{0}, ";
if (column.Type == DataType.NCHAR || column.Type == DataType.NVARCHAR)
{
format = "N'{0}', ";
}
else if (column.Type == DataType.CHAR || column.Type == DataType.VARCHAR)
{
format = "'{0}', ";
}
columnStr += string.Format("{0}, ", column.Name);
valueStr += string.Format(format, listColumnNameValues[column]);
}
}
if (!string.IsNullOrEmpty(columnStr) && !string.IsNullOrEmpty(valueStr))
{
columnStr = columnStr.Substring(0, columnStr.Length - 2);
valueStr = valueStr.Substring(0, valueStr.Length - 2);
_query = string.Format("INSERT INTO {0} ({1}) VALUES ({2})", tableName, columnStr, valueStr);
}
}
}
