DataTable 分页

#region DataTable 分页

/// <summary>

/// Datatable 分页

/// </summary>

/// <param name="dt"></param>

/// <param name="PageIndex">当前页</param>

/// <param name="PageSize">页大小</param>

/// <returns></returns>

public static DataTable GetPagedTable(DataTable dt, int PageIndex, int PageSize)

{

if (PageIndex == 0)

return dt;

DataTable newdt = dt.Copy();

newdt.Clear();

int rowbegin = (PageIndex - 1) * PageSize;

int rowend = PageIndex * PageSize;

if (rowbegin >= dt.Rows.Count)

return newdt;

if (rowend > dt.Rows.Count)

rowend = dt.Rows.Count;

for (int i = rowbegin; i <= rowend - 1; i++)

{

DataRow newdr = newdt.NewRow();

DataRow dr = dt.Rows[i];

foreach (DataColumn column in dt.Columns)

{

newdr[column.ColumnName] = dr[column.ColumnName];

}

newdt.Rows.Add(newdr);

}

return newdt;

}

#endregion