WinForm自定义分页控件实现Datagridview分页效果附引用Demo

最终运行效果图

自定义控件源码

可根据实际需求更改翻页按钮样式、总页数、每页多少条等属性

  public partial class WinFormPager : UserControl{#region Membersprivate string _BtnTextFirst = "首页";private string _BtnTextLast = "末页";private string _BtnTextNext = "下页";private string _BtnTextPrevious = "上页";private DisplayStyleEnum _DisplayStyle = DisplayStyleEnum.图片;private string _JumpText = "跳转";private int _PageCount;private int _PageIndex = 1;private int _PageSize = 10;private int _RecordCount;private TextImageRalitionEnum _TextImageRalition = TextImageRalitionEnum.图片显示在文字前方;private string PagerText = "共{0}条,第{1}页,共{2}页,每页{3}条";public enum DisplayStyleEnum{图片 = 1,图片及文字 = 3,文字 = 2}public delegate void EventHandler(object sender, EventArgs e);public enum TextImageRalitionEnum{图片显示在文字后方 = 4,图片显示在文字前方 = 3,图片显示在文字上方 = 1,图片显示在文字下方 = 2}[Description("更改页面索引事件"), Category("自定义事件")]public event EventHandler PageIndexChanged;[Category("自定义属性"), DefaultValue("首页"), Description("首页按钮文字,当DisplayStyle=文字或DisplayStyle=图片及文字时生效")]public string BtnTextFirst{get{return this._BtnTextFirst;}set{this._BtnTextFirst = value;this.SetDisplayStyle();}}[Description("末页按钮文字,当DisplayStyle=文字或DisplayStyle=图片及文字时生效"), DefaultValue("末页"), Category("自定义属性")]public string BtnTextLast{get{return this._BtnTextLast;}set{this._BtnTextLast = value;this.SetDisplayStyle();}}[DefaultValue("下一页"), Category("自定义属性"), Description("下一页按钮文字,当DisplayStyle=文字或DisplayStyle=图片及文字时生效")]public string BtnTextNext{get{return this._BtnTextNext;}set{this._BtnTextNext = value;this.SetDisplayStyle();}}[DefaultValue("上一页"), Description("上一页按钮文字,当DisplayStyle=文字或DisplayStyle=图片及文字时生效"), Category("自定义属性")]public string BtnTextPrevious{get{return this._BtnTextPrevious;}set{this._BtnTextPrevious = value;this.SetDisplayStyle();}}[Category("自定义属性"), DefaultValue(1), Description("显示类型：图片、文字、图片及文字")]public DisplayStyleEnum DisplayStyle{get{return this._DisplayStyle;}set{this._DisplayStyle = value;this.SetDisplayStyle();}}[Description("跳转按钮文字"), Category("自定义属性"), DefaultValue("跳转")]public string JumpText{get{return this._JumpText;}set{this._JumpText = value;this.btnToPageIndex.Text = this._JumpText;}}private int PageCount{get{return this._PageCount;}}[DefaultValue(1), Category("自定义属性"), Description("当前显示的页数")]public int PageIndex{get{return this._PageIndex;}set{this._PageIndex = value;}}[DefaultValue(10), Description("每页显示的记录数"), Category("自定义属性")]public int PageSize{get{return this._PageSize;}set{if (value <= 1){value = 10;}this._PageSize = value;this.SetLabelLocation();}}[Description("要分页的总记录数"), Category("自定义属性")]public int RecordCount{get{return this._RecordCount;}set{this._RecordCount = value;}}[DefaultValue(3), Description("图片和文字显示相对位置,当DisplayStyle=文字或DisplayStyle=图片及文字时生效"), Category("自定义属性")]public TextImageRalitionEnum TextImageRalitions{get{return this._TextImageRalition;}set{this._TextImageRalition = value;this.SetDisplayStyle();}}#endregionpublic WinFormPager(){InitializeComponent();}#region Methodsprotected int GetPageCount(int RecordCounts, int PageSizes){int num = 0;string str = (Convert.ToDouble(RecordCounts) / Convert.ToDouble(PageSizes)).ToString();if (str.IndexOf(".") < 0){return Convert.ToInt32(str);}string[] strArray = Regex.Split(str, @"\.", RegexOptions.IgnoreCase);if (!string.IsNullOrEmpty(strArray[1].ToString())){num = Convert.ToInt32(strArray[0]) + 1;}return num;}protected void SetBtnEnabled(){if (this._PageIndex == 1){this.btnFirst.Enabled = false;this.btnPrevious.Enabled = false;this.btnNext.Enabled =  true;this.btnLast.Enabled = true;//this.btnNext.Enabled = (this._PageCount <= 1) ? false : true;//this.btnLast.Enabled = (this._PageCount <= 1) ? false : true;}else if ((this._PageIndex > 1) && (this._PageIndex < this._PageCount)){this.btnFirst.Enabled = true;this.btnPrevious.Enabled = true;this.btnNext.Enabled = true;this.btnLast.Enabled = true;}else if (this._PageIndex == this._PageCount){this.btnFirst.Enabled = true;this.btnPrevious.Enabled = true;this.btnNext.Enabled = false;this.btnLast.Enabled = false;}}private void SetDisplayStyle(){TextImageRelation imageBeforeText = TextImageRelation.ImageBeforeText;if (this.TextImageRalitions == TextImageRalitionEnum.图片显示在文字上方){imageBeforeText = TextImageRelation.ImageAboveText;}else if (this.TextImageRalitions == TextImageRalitionEnum.图片显示在文字下方){imageBeforeText = TextImageRelation.TextAboveImage;}else if (this.TextImageRalitions == TextImageRalitionEnum.图片显示在文字前方){imageBeforeText = TextImageRelation.ImageBeforeText;}else if (this.TextImageRalitions == TextImageRalitionEnum.图片显示在文字后方){imageBeforeText = TextImageRelation.TextBeforeImage;}if (this.DisplayStyle == DisplayStyleEnum.图片){this.btnFirst.ImageList = this.btnPrevious.ImageList = this.btnNext.ImageList = this.btnLast.ImageList = this.imglstPager;this.btnFirst.ImageIndex = 0;this.btnPrevious.ImageIndex = 1;this.btnNext.ImageIndex = 2;this.btnLast.ImageIndex = 3;this.btnFirst.Text = this.btnPrevious.Text = this.btnNext.Text = this.btnLast.Text = "";this.btnFirst.TextImageRelation = this.btnPrevious.TextImageRelation = this.btnNext.TextImageRelation = this.btnLast.TextImageRelation = TextImageRelation.Overlay;}else if (this.DisplayStyle == DisplayStyleEnum.文字){this.btnFirst.ImageList = this.btnPrevious.ImageList = this.btnNext.ImageList = (ImageList)(this.btnLast.ImageList = null);this.btnFirst.Text = string.IsNullOrEmpty(this.BtnTextFirst) ? "首页" : this.BtnTextFirst;this.btnPrevious.Text = string.IsNullOrEmpty(this.BtnTextPrevious) ? "上页" : this.BtnTextPrevious;this.btnNext.Text = string.IsNullOrEmpty(this.BtnTextNext) ? "下页" : this.BtnTextNext;this.btnLast.Text = string.IsNullOrEmpty(this.BtnTextLast) ? "末页" : this.BtnTextLast;this.btnFirst.TextImageRelation = this.btnPrevious.TextImageRelation = this.btnNext.TextImageRelation = this.btnLast.TextImageRelation = TextImageRelation.Overlay;}else if (this.DisplayStyle == DisplayStyleEnum.图片及文字){this.btnFirst.ImageList = this.btnPrevious.ImageList = this.btnNext.ImageList = this.btnLast.ImageList = this.imglstPager;this.btnFirst.ImageIndex = 0;this.btnPrevious.ImageIndex = 1;this.btnNext.ImageIndex = 2;this.btnLast.ImageIndex = 3;this.btnFirst.Text = string.IsNullOrEmpty(this.BtnTextFirst) ? "首页" : this.BtnTextFirst;this.btnPrevious.Text = string.IsNullOrEmpty(this.BtnTextPrevious) ? "上页" : this.BtnTextPrevious;this.btnNext.Text = string.IsNullOrEmpty(this.BtnTextNext) ? "下页" : this.BtnTextNext;this.btnLast.Text = string.IsNullOrEmpty(this.BtnTextLast) ? "末页" : this.BtnTextLast;this.btnFirst.TextImageRelation = this.btnPrevious.TextImageRelation = this.btnNext.TextImageRelation = this.btnLast.TextImageRelation = imageBeforeText;}}protected void SetLabelLocation(){this.btnFirst.Left = (this.lblPager.Left + this.lblPager.Width) + 10;this.btnPrevious.Left = this.btnFirst.Left + this.btnFirst.Width;this.btnNext.Left = this.btnPrevious.Left + this.btnPrevious.Width;this.btnLast.Left = this.btnNext.Left + this.btnNext.Width;this.lbPre.Left = (this.btnLast.Left + this.btnLast.Width) + 10;this.txtToPageIndex.Left = this.lbPre.Left + this.lbPre.Width;this.lbEnd.Left = this.txtToPageIndex.Left + this.txtToPageIndex.Width;this.btnToPageIndex.Left = this.lbEnd.Left + this.lbEnd.Width;}private void SetPagerText(){string[] strArray = new string[] { this.RecordCount.ToString(), this.PageIndex.ToString(), this.PageCount.ToString(), this.PageSize.ToString() };this.lblPager.Text = string.Format(this.PagerText, (object[])strArray);}#endregion#region Eventsprivate void CustomEvent(object sender, EventArgs e){try{this.PageIndexChanged(sender, e);}catch (Exception){MessageBox.Show("未找到PageIndexChanged事件！");}}private void btnFirst_Click(object sender, EventArgs e){this._PageIndex = 1;this.SetPagerText();this.SetBtnEnabled();this.SetLabelLocation();this.CustomEvent(sender, e);}private void btnLast_Click(object sender, EventArgs e){this._PageIndex = this._PageCount;this.SetPagerText();this.SetBtnEnabled();this.SetLabelLocation();this.CustomEvent(sender, e);}private void btnNext_Click(object sender, EventArgs e){int num = this._PageIndex;try{int num2 = Convert.ToInt32(num) + 1;if (num2 >= this._RecordCount){num2 = this._RecordCount;}this._PageIndex = num2;this.SetPagerText();this.SetBtnEnabled();this.SetLabelLocation();this.CustomEvent(sender, e);}catch (Exception){}}private void btnPrevious_Click(object sender, EventArgs e){int num = this._PageIndex;try{int num2 = Convert.ToInt32(num) - 1;if (num2 <= 0){num2 = 1;}this._PageIndex = num2;this.SetPagerText();this.SetBtnEnabled();this.SetLabelLocation();this.CustomEvent(sender, e);}catch (Exception){}}private void btnToPageIndex_Click(object sender, EventArgs e){string text = this.txtToPageIndex.Text;int num = this._PageIndex;if (string.IsNullOrEmpty(text)){num = 1;this.txtToPageIndex.Text = "1";}else{num = Convert.ToInt32(text);if (num > this._PageCount){num = this._PageCount;this.txtToPageIndex.Text = this._PageCount.ToString();}else{this._PageIndex = num;this.SetPagerText();this.SetBtnEnabled();this.SetLabelLocation();this.CustomEvent(sender, e);}}}private void WinFormPager_Load(object sender, EventArgs e){this.SetBtnEnabled();this.btnToPageIndex.Text = this._JumpText;}private void WinFormPager_Paint(object sender, PaintEventArgs e){this._PageCount = this.GetPageCount(this._RecordCount, this._PageSize);this.SetPagerText();this.SetDisplayStyle();this.SetLabelLocation();}private void WinFormPager_MouseMove(object sender, MouseEventArgs e){foreach (Control control in base.Controls){if (control is Button){Button button = (Button)control;button.BackColor = Color.Transparent;button.FlatAppearance.BorderColor = Color.White;button.FlatAppearance.MouseDownBackColor = Color.Transparent;button.FlatAppearance.MouseOverBackColor = Color.Transparent;}}}#endregion#region AutoGeneratee#endregion}

引用控件Demo源码

  public partial class Form1 : Form{public Form1(){InitializeComponent();BindGridview(0);BindPager();}public void BindPager(){string sql = string.Format("select * from Test ");SqlCommand cmd = new SqlCommand(sql, DBhelper.conn());DBhelper.conn().Open();DataTable dt = new DataTable();SqlDataAdapter da = new SqlDataAdapter(sql, DBhelper.conn());da.Fill(dt);Pager1.PageSize = 5;Pager1.RecordCount = dt.Rows.Count;Pager1.PageIndex = 1;Pager1.Show();}public void BindGridview(int pageindex){string sql = string.Format("select top 5* from  where LogID not in (select top (@pageindex*5)LogID from SysOperationLog)");SqlParameter[] sqlpa = {new SqlParameter("@pageindex",pageindex),};SqlCommand cmd = new SqlCommand(sql, DBhelper.conn());DBhelper.conn().Open();DataTable dt = new DataTable();SqlDataAdapter da = new SqlDataAdapter(sql, DBhelper.conn());if (sqlpa != null){da.SelectCommand.Parameters.AddRange(sqlpa);}da.Fill(dt);dataGridView1.DataSource = dt;}private void Pager1_PageIndexChanged(object sender, EventArgs e){BindGridview(Pager1.PageIndex-1);}}

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WinForm自定义分页控件实现Datagridview分页效果附引用Demo

最终运行效果图

自定义控件源码

引用控件Demo源码

WinForm自定义分页控件实现Datagridview分页效果附引用Demo相关推荐

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