C#控件代码
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Text;
using System.Windows.Forms;
using System.Data.SqlClient;
using System.Threading;
namespace GpsControl
{
public partial class UCPageTableProc : UserControl
{
public UCPageTableProc()
{
InitializeComponent();
}
public EtyPager etyPager = null;
///
/// 初始化分页控件
///
public void InitControl()
{
if (DataGrid == null)
{
MessageBox.Show("您未设置参数DataGridView", "消息提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
BindData();
if (dataTable == null)
{
return;
}
if (etyPager.TotalRecord == 0)
{
return;
}
// Even if there is no records, there is no exception
BindSource(DataGrid);
toolStripTextBoxPageSize.Text = etyPager.PageSize.ToString();
// Set the status of the BindingNavigator control
if (etyPager.PageCount == 0 || etyPager.PageCount == 1)
{
bindngrDemo.MoveFirstItem.Enabled = false;
bindngrDemo.MoveLastItem.Enabled = false;
bindngrDemo.MoveNextItem.Enabled = false;
bindngrDemo.MovePreviousItem.Enabled = false;
}
else
{
bindngrDemo.MoveFirstItem.Enabled = false;
bindngrDemo.MoveLastItem.Enabled = true;
bindngrDemo.MoveNextItem.Enabled = true;
bindngrDemo.MovePreviousItem.Enabled = false;
bindngrDemo.PositionItem.Text = "1";
bindngrDemo.CountItem.Text = "of {" + etyPager.PageCount.ToString() + "}";
}
}
private void BindData()
{
if (etyPager == null) return;
Guanzhou.SQLServer.AdoHelper ado = Guanzhou.SQLServer.AdoHelper.CreateHelper(Guanzhou.SQLServer.AdoHelper.oldassembly, Guanzhou.SQLServer.AdoHelper.oldtype);
List listParameter = new List();
SqlParameter parameter = new SqlParameter("@Tablename", etyPager.TableName);
parameter.SqlDbType = SqlDbType.VarChar;
parameter.Size = 50;
listParameter.Add(parameter);
parameter = new SqlParameter("@ReFieldsStr", etyPager.ReFieldsStr);
parameter.SqlDbType = SqlDbType.VarChar;
parameter.Size = 200;
listParameter.Add(parameter);
parameter = new SqlParameter("@OrderString", etyPager.OrderString);
parameter.SqlDbType = SqlDbType.VarChar;
parameter.Size = 200;
listParameter.Add(parameter);
parameter = new SqlParameter("@WhereString", etyPager.WhereString);
parameter.SqlDbType = SqlDbType.VarChar;
parameter.Size = 500;
listParameter.Add(parameter);
parameter = new SqlParameter("@PageSize", etyPager.PageSize);
parameter.SqlDbType = SqlDbType.Int;
parameter.Size = 4;
listParameter.Add(parameter);
parameter = new SqlParameter("@PageIndex", etyPager.PageIndex);
parameter.SqlDbType = SqlDbType.Int;
parameter.Size = 4;
listParameter.Add(parameter);
SqlParameter pPageIndex = new SqlParameter();
pPageIndex.ParameterName = "@TotalRecord";
pPageIndex.SqlDbType = SqlDbType.Int;
pPageIndex.Direction = ParameterDirection.Output;
listParameter.Add(pPageIndex);
DataSet ds = ado.ExecuteDataset(Guanzhou.SQLServer.AdoHelper.sqlconnection, CommandType.StoredProcedure, "Sp_Page", listParameter.ToArray());
if (ds == null || ds.Tables.Count == 0 || ds.Tables[0] == null) return;
dataTable = ds.Tables[0];
etyPager.TotalRecord = (int)pPageIndex.Value;
ds.Dispose();
}
///
/// 加载数据
///
///
///
private void BindSource(DataGridView dataGridViewDemo)
{
BindData();
dataGridViewDemo.DataSource = dataTable;
dataGridViewDemo.Refresh();
}
///
/// 数据源
///
private DataTable dataTable;
///
/// 要操作的DataGridView
///
public DataGridView DataGrid;
#region 事件和处理
private void bindingNavigatorMoveNextItem_Click(object sender, EventArgs e)
{
int currentpageindex = Convert.ToInt32(bindngrDemo.PositionItem.Text);
if (currentpageindex < etyPager.PageCount)
{
etyPager.PageIndex = currentpageindex + 1;
bindngrDemo.PositionItem.Text = etyPager.PageIndex.ToString();
BindSource(DataGrid);
if (etyPager.PageIndex == etyPager.PageCount)
{
bindngrDemo.MoveNextItem.Enabled = false;
bindngrDemo.MoveLastItem.Enabled = false;
}
if (etyPager.PageIndex >= 2)
{
bindngrDemo.MovePreviousItem.Enabled = true;
bindngrDemo.MoveFirstItem.Enabled = true;
}
}
else
{
MessageBox.Show("已经是最后一页", "消息提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
private void bindingNavigatorMovePreviousItem_Click(object sender, EventArgs e)
{
int currentpageindex = Convert.ToInt32(bindngrDemo.PositionItem.Text);
if (currentpageindex >= 2)
{
etyPager.PageIndex = currentpageindex - 1;
bindngrDemo.PositionItem.Text = etyPager.PageIndex.ToString();
BindSource(DataGrid);
if (etyPager.PageIndex == 1)
{
bindngrDemo.MovePreviousItem.Enabled = false;
bindngrDemo.MoveFirstItem.Enabled = false;
}
if (etyPager.PageIndex <= etyPager.PageCount)
{
bindngrDemo.MoveNextItem.Enabled = true;
bindngrDemo.MoveLastItem.Enabled = true;
}
}
else
{
MessageBox.Show("已经是第一页", "消息提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
private void bindingNavigatorMoveLastItem_Click(object sender, EventArgs e)
{
etyPager.PageIndex = etyPager.PageCount;
BindSource(DataGrid);
bindngrDemo.PositionItem.Text = etyPager.PageCount.ToString();
bindngrDemo.MoveLastItem.Enabled = false;
bindngrDemo.MoveNextItem.Enabled = false;
bindngrDemo.MovePreviousItem.Enabled = true;
bindngrDemo.MoveFirstItem.Enabled = true;
}
private void bindingNavigatorMoveFirstItem_Click(object sender, EventArgs e)
{
etyPager.PageIndex = 1;
BindSource(DataGrid);
bindngrDemo.PositionItem.Text = "1";
bindngrDemo.MoveFirstItem.Enabled = false;
bindngrDemo.MovePreviousItem.Enabled = false;
bindngrDemo.MoveNextItem.Enabled = true;
bindngrDemo.MoveLastItem.Enabled = true;
}
#endregion
private void ribbonMenuButton_PageSize_Click(object sender, EventArgs e)
{
if (String.IsNullOrEmpty(toolStripTextBoxPageSize.Text))
{
MessageBox.Show("页数不能为空。", "消息提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
try
{
etyPager.PageSize = Convert.ToInt32(toolStripTextBoxPageSize.Text);
}
catch
{
MessageBox.Show("页数不是有效数字。", "消息提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
bindngrDemo.PositionItem.Text = "1";
bindingNavigatorMoveFirstItem_Click(sender, e);
bindngrDemo.CountItem.Text = "of " + etyPager.PageCount.ToString();
if (etyPager.PageSize >= etyPager.TotalRecord)
{
bindngrDemo.MoveNextItem.Enabled = false;
bindngrDemo.MoveLastItem.Enabled = false;
}
}
private void ribbonMenuButton_PageIndex_Click(object sender, EventArgs e)
{
if (String.IsNullOrEmpty(toolStripTextBoxPageIndex.Text))
{
MessageBox.Show("页码不能为空。", "消息提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
int currentPageIndex = 1;
try
{
currentPageIndex = Convert.ToInt32(toolStripTextBoxPageIndex.Text);
}
catch
{
MessageBox.Show("页码不是有效数字。", "消息提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
if (currentPageIndex <= 1)
{
bindingNavigatorMoveFirstItem_Click(sender, e);
return;
}
else if (currentPageIndex >= etyPager.PageCount)
{
bindingNavigatorMoveLastItem_Click(sender, e);
return;
}
etyPager.PageIndex = currentPageIndex;
bindngrDemo.MoveFirstItem.Enabled = true;
bindngrDemo.MovePreviousItem.Enabled = true;
bindngrDemo.MoveNextItem.Enabled = true;
bindngrDemo.MoveLastItem.Enabled = true;
bindngrDemo.PositionItem.Text = currentPageIndex.ToString();
BindSource(DataGrid);
}
}
}
SQLSever2005分页控件代码
if exists(Select name from sysobjects where name='Sp_Page')
drop proc Sp_Page
go
Create PROCEDURE Sp_Page
(
@TableName varchar(50), --表名
@ReFieldsStr varchar(200) = '*', --字段名(全部字段为*)
@OrderString varchar(200), --排序字段(必须!支持多字段不用加order by)
@WhereString varchar(500) =N'', --条件语句(不用加where)
@PageSize int, --每页多少条记录
@PageIndex int = 1 , --指定当前为第几页
@TotalRecord int output --返回总记录数
)
AS
BEGIN
--处理开始点和结束点
Declare @StartRecord int;
Declare @EndRecord int;
Declare @TotalCountSql nvarchar(500);
Declare @SqlString nvarchar(2000);
set @StartRecord = (@PageIndex-1)*@PageSize + 1
set @EndRecord = @StartRecord + @PageSize - 1
SET @TotalCountSql= N'select @TotalRecord = count(*) from ' + @TableName;--总记录数语句
SET @SqlString = N'(select row_number() over (order by '+ @OrderString +') as rowId,'+@ReFieldsStr+' from '+ @TableName;--查询语句
--
IF (@WhereString! = '' or @WhereString!=null)
BEGIN
SET @TotalCountSql=@TotalCountSql + ' where '+ @WhereString;
SET @SqlString =@SqlString+ ' where '+ @WhereString;
END
--第一次执行得到
--IF(@TotalRecord is null)
-- BEGIN
EXEC sp_executesql @totalCountSql,N'@TotalRecord int out',@TotalRecord output;--返回总记录数
-- END
----执行主语句
set @SqlString ='select * from ' + @SqlString + ') as t where rowId between ' + ltrim(str(@StartRecord)) + ' and ' + ltrim(str(@EndRecord));
Exec(@SqlString)
END
go
Winform页面调用控件的代码
private void FormDGMore_Load(object sender, EventArgs e)
{
Guanzhou.SQLServer.AdoHelper.sqlconnection = @"Data Source=localhost\SQLEXPRESS;Initial Catalog=Test;Integrated Security=True";
GpsControl.EtyPager ety = new GpsControl.EtyPager();
ety.OrderString = "ID";
ety.PageIndex = 1;
ety.PageSize = 10;
ety.ReFieldsStr = "*";
ety.TableName = "qiaojun";
ety.WhereString = "";
ucPageTableProc1.DataGrid = dgMore;
ucPageTableProc1.etyPager = ety;
ucPageTableProc1.InitControl();
}
主要代码下载：http://files.cnblogs.com/qiaojun/DataGridView%E5%88%86%E9%A1%B5%E5%AD%98%E5%82%A8%E8%BF%87%E7%A8%8B%E4%B8%BB%E8%A6%81%E4%BB%A3%E7%A0%81.zip
