gridview自带分页 怎么控制位置?小弟我想把它搞在外面
gridview自带分页 如何控制位置?我想把它搞在外面
gridview自带分页 如何控制位置?我想把它搞在外面
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如果你想任意的调整位置的话还是别用gridview了,分页又丑又不好,listview的自带DataPager分页不错,任意调整都可以,所以建议你换了吧
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自己写一个吧
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WinForm的这个控件不具备分页功能,而WebForm的用这个功能,使用者却嫌难看,真是难为微软了。
下面是我WinForm自己实现的:
1、分页的存储过程:
create proc PageNum
@PageSize int, --每页显示条数
@PageIndex int, --当前是第几页
@totalRows int output, --总行数
@totalPages int output --总页数
as
declare @startId int
declare @endId int
set @startId = @PageSize*(@PageIndex-1)+1
set @endId = @startId+@PageSize-1
select @totalRows=COUNT(*) from Books
set @totalPages=@totalRows/@PageSize
if(@totalRows%@PageSize != 0) --如果总行数除每页显示数据量的值不等于0,则总页数得加1
begin
set @totalPages=@totalPages+1
end
declare @IndexTable table(Id int identity(1,1) ,nId int)
insert into @IndexTable select Id from Books
select * from @IndexTable as t ,Books as b where t.Id>=@startId and t.Id<=@endId and t.nId=b.Id
go
declare @tr int --总行数
declare @tp int --总页数
exec PageNum 4,2,@tr output ,@tp output
print '这是总页数'+convert(varchar,@tp) --数据转换
print @tr
2、不一定要用存储过程,可以一次性读到DataTable后,再做处理
gridview自带分页 如何控制位置?我想把它搞在外面
------解决方案--------------------
如果你想任意的调整位置的话还是别用gridview了,分页又丑又不好,listview的自带DataPager分页不错,任意调整都可以,所以建议你换了吧
------解决方案--------------------
------解决方案--------------------
自己写一个吧
------解决方案--------------------
WinForm的这个控件不具备分页功能,而WebForm的用这个功能,使用者却嫌难看,真是难为微软了。
下面是我WinForm自己实现的:
1、分页的存储过程:
create proc PageNum
@PageSize int, --每页显示条数
@PageIndex int, --当前是第几页
@totalRows int output, --总行数
@totalPages int output --总页数
as
declare @startId int
declare @endId int
set @startId = @PageSize*(@PageIndex-1)+1
set @endId = @startId+@PageSize-1
select @totalRows=COUNT(*) from Books
set @totalPages=@totalRows/@PageSize
if(@totalRows%@PageSize != 0) --如果总行数除每页显示数据量的值不等于0,则总页数得加1
begin
set @totalPages=@totalPages+1
end
declare @IndexTable table(Id int identity(1,1) ,nId int)
insert into @IndexTable select Id from Books
select * from @IndexTable as t ,Books as b where t.Id>=@startId and t.Id<=@endId and t.nId=b.Id
go
declare @tr int --总行数
declare @tp int --总页数
exec PageNum 4,2,@tr output ,@tp output
print '这是总页数'+convert(varchar,@tp) --数据转换
print @tr
2、不一定要用存储过程,可以一次性读到DataTable后,再做处理
- C# code
private int pageSize = 0; //每页显示行数 private int pageCurrent = 0; //当前页号 private int pageCount = 0; //页数=总记录数/每页显示行数 private int nCurrent = 0; //当前记录行号 private int nMax = 0; //总记录数 private DataTable srcTable = null; //元数据 private void First_Click(object sender, EventArgs e) { try { pageCurrent = 1; //当前页数从1开始 nCurrent = 0; //当前记录数从0开始 if (srcTable == null || srcTable.Rows.Count == 0) return; DataTable table = LoadPageData(); ChangeDataSoure(table); First.Enabled =false; Prev.Enabled = false; Next.Enabled = true; End.Enabled = true; } catch (Exception ex) { MessageBox.Show(ex.Message); } } private void Prev_Click(object sender, EventArgs e) { try { pageCurrent--; nCurrent = pageSize * (pageCurrent - 1); if (srcTable == null || srcTable.Rows.Count == 0) return; DataTable table = LoadPageData(); ChangeDataSoure(table); bool b = pageCurrent <= 1 ? false : true; First.Enabled = b; Prev.Enabled = b; Next.Enabled = true; End.Enabled = true; } catch (Exception ex) { MessageBox.Show(ex.Message); } } private void Next_Click(object sender, EventArgs e) { try { pageCurrent++; nCurrent = pageSize * (pageCurrent - 1); if (srcTable == null || srcTable.Rows.Count == 0) return; DataTable table = LoadPageData(); ChangeDataSoure(table); bool b = pageCurrent >= pageCount ? false : true; Next.Enabled = b; End.Enabled = b; First.Enabled = true; Prev.Enabled = true; } catch (Exception ex) { MessageBox.Show(ex.Message); } } private void End_Click(object sender, EventArgs e) { try { pageCurrent = pageCount; nCurrent = pageSize * (pageCurrent - 1); if (srcTable == null || srcTable.Rows.Count == 0) return; DataTable table = LoadPageData(); ChangeDataSoure(table); Next.Enabled =false; End.Enabled = false; First.Enabled = true; Prev.Enabled = true; } catch (Exception ex) { MessageBox.Show(ex.Message); } } private void InitPageSet() { pageSize = 30; //设置页面行数 nMax = srcTable.Rows.Count; pageCount = (nMax / pageSize); //计算出总页数 if ((nMax % pageSize) > 0) { pageCount++; } pageCurrent = 1; //当前页数从1开始 nCurrent = 0; //当前记录数从0开始 First.Enabled =false; Prev.Enabled = false; bool b = pageCurrent == pageCount ? false : true; Next.Enabled = b; End.Enabled = b; } private DataTable LoadPageData() { int nStartPos = 0; //当前页面开始记录行 int nEndPos = 0; //当前页面结束记录行 DataTable dtTemp = null; if (srcTable == null || srcTable.Rows.Count == 0) return srcTable; try { dtTemp = srcTable.Clone(); //克隆DataTable结构框架 if (pageCurrent == pageCount) { nEndPos = nMax; } else { nEndPos = pageSize * pageCurrent; } nStartPos = nCurrent; //从元数据源复制记录行 for (int i = nStartPos; i < nEndPos; i++) { dtTemp.ImportRow(srcTable.Rows[i]); nCurrent++; } textEdit1.Text = pageCurrent.ToString(); Page.Text = string.Format("/{0}页", pageCount); } catch (Exception ex) { MessageBox.Show(ex.Message + "LoadPageData"); } return dtTemp; } private void ChangeDataSoure(DataTable table) { if (table == null) return; gridView1.Columns.Clear(); gridControl1.DataSource = null; gridControl1.DataSource = table; }