DataTable分页代码

/// <summary>

/// DataTable分页

/// </summary>

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

/// <param name="PageIndex">页索引,注意：从1开始</param>

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

/// <returns>分好页的DataTable数据</returns>              第1页        每页10条

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;

}

 

/// <summary>

/// 返回分页的页数

/// </summary>

/// <param name="count">总条数</param>

/// <param name="pageye">每页显示多少条</param>

/// <returns>如果 结尾为0：则返回1</returns>

public static int PageCount(int count, int pageye)

{

    int page = 0;

    int sesepage = pageye;

    if (count % sesepage == 0) { page = count / sesepage; }

    else { page = (count / sesepage) + 1; }

    if (page == 0) { page += 1; }

    return page;

}