/// <summary>
/// 将一个<see cref="DataRow"/>复制到一个<see cref="DataTable"/>中
/// </summary>
/// <param name="dataRow"></param>
/// <param name="dataTable"><see cref="DataTable"/></param>
public static void Copy(this DataRow dataRow, DataTable dataTable)
{
if (dataRow == null)
{
return;
}
if (dataTable == null)
{
dataTable = new DataTable();
}
RowUtil.AddColumn(dataTable, dataRow.Table.Columns.Cast <DataColumn>().ToArray());
DataRow templateRow = dataTable.NewRow();
templateRow.ItemArray = dataRow.ItemArray;
dataTable.Rows.Add(templateRow);
}
/// <summary>
/// <inheritdoc cref="RowUtil.AddColumn(DataTable, string[])"/>
/// </summary>
/// <param name="dataTable"></param>
/// <param name="entityType">要添加到<see cref="DataTable"/>的对象的类型</param>
public static void AddColumn(this DataTable dataTable, Type entityType)
{
if (dataTable == null)
{
return;
}
foreach (PropertyInfo property in entityType.GetProperties())
{
RowUtil.AddColumn(dataTable, property.Name);
}
foreach (FieldInfo field in entityType.GetFields())
{
string columnName = field.Name;
if (dataTable.Columns.Contains(columnName))
{
int repeatCount = dataTable.Columns.Cast <DataColumn>().Count(p => p.ColumnName.ToLower().Equals(columnName));
columnName = string.Format("{0}_{1}", field.Name, repeatCount);
RowUtil.AddColumn(dataTable, columnName);
}
}
}
/// <summary>
/// <inheritdoc cref="RowUtil.AddColumn(DataTable, string[])"/>
/// </summary>
/// <param name="dataTable"></param>
/// <param name="columns">要添加的列</param>
public static void AddColumn(this DataTable dataTable, params string[] columns)
{
RowUtil.AddColumn(dataTable, columns);
}