Asp.net gridview page: First page next page 1 2 3 4 Previous Page last page, gridview last page
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Function Description: You can use the up/down key to select a row and click Modify. textbox obtains the code data in the gridview. If it is helpful to you, please remember to click "good text to top !!! Leave a message. No more nonsense. The post code is as follows:
<Head runat = "server"> <title> GridView partition </title> <script type = "text/javascript"> var currentRowId = 0; var styleName = ""; function SelectRow (ev, strGvName) {var e = window. event | ev; var keyCode =-1; if (e. which = null) keyCode = e. keyCode; // IE else if (e. which> 0) keyCode = e. which; // All others if (keyCode = 40) MarkRow (currentRowId + 1, strGvName); if (keyCode = 38) {MarkRow (currentR OwId-1, strGvName);} document. getElementById ("NUM "). value = currentRowId;} function MarkRow (rowId, strGvName) {var Grid = document. getElementById (strGvName); var rowCount = Grid. rows. length; if (document. getElementById (strGvName + rowId) = null) return; if (rowId = rowCount) {return;} if (document. getElementById (strGvName + currentRowId )! = Null) document. getElementById (strGvName + currentRowId ). style. backgroundColor = styleName; currentRowId = rowId; styleName = document. getElementById (strGvName + rowId ). style. backgroundColor; document. getElementById (strGvName + rowId ). style. backgroundColor = 'red'; var obj = document. getElementById (strGvName); obj. rows [rowId]. cells [0]. focus (); document. getElementById ("NUM "). value = currentRowId ;}</script> <style type = "text/css">. hidden {display: none ;}</style>
Core code:
Using System; using System. collections. generic; using System. linq; using System. web; using System. web. UI; using System. web. UI. webControls; using System. data. sqlClient; // Add the following namespace: using System. data; using System. drawing; public partial class _ Default: System. web. UI. page {SqlConnection con = new SqlConnection ("Server = SERVER \ xxx; Database = xxxx; User ID = xx; Pwd = xx;"); private int _ I = 0; // defines the volume of changes. It is useful to query the consumer Grid settings to pr. Otected void Page_Load (object sender, EventArgs e) {if (! Page. isPostBack) {getBind () ;}} protected void getBind () {string str = "select * from im01"; DataSet ds = new DataSet (); sqlDataAdapter da = new SqlDataAdapter (str, con); da. fill (ds); DataTable dt = ds. tables [0]; gvData. dataSource = dt; gvData. dataBind ();} protected void gvData_PageIndexChanging (object sender, GridViewPageEventArgs e) {} protected void gvData_RowCreated (object sender, GridView RowEventArgs e) {if (e. row. rowType = DataControlRowType. pager) {Label label_Index = new Label (); LinkButton Button_IndexFirst = new LinkButton (); LinkButton Button_IndexLast = new LinkButton (); LinkButton Button_IndexNext = new LinkButton (); linkButton Button_IndexPrevious = new LinkButton (); Button_IndexFirst.Text = "first Response"; Button_IndexFirst.CommandName = "first"; Button_IndexFirst.ForeColor = Color. blue; Button_IndexFirst.Click + = new EventHandler (PageButtonClick); Button_IndexNext.Text = "next success"; Button_IndexNext.CommandName = "next"; Button_IndexNext.ForeColor = Color. blue; Button_IndexNext.Click + = new EventHandler (PageButtonClick); button_indexprevius.text = "previous example"; button_indexprevius.commandname = "previous"; button_indexprevius.forecolor = Color. blue; button_indexprevius.cl Ick + = new EventHandler (PageButtonClick); Button_IndexLast.Text = "last vertex"; Button_IndexLast.CommandName = "last"; Button_IndexLast.ForeColor = Color. blue; Button_IndexLast.Click + = new EventHandler (PageButtonClick); e. row. controls [0]. controls [0]. controls [0]. controls [0]. controls. addAt (0, (Button_IndexFirst); e. row. controls [0]. controls [0]. controls [0]. controls [0]. controls. addAt (1, (Button_IndexPrevio Us); int controlTmp = e. row. controls [0]. controls [0]. controls [0]. controls. count-1; e. row. controls [0]. controls [0]. controls [0]. controls [controlTmp]. controls. add (Button_IndexNext); e. row. controls [0]. controls [0]. controls [0]. controls [controlTmp]. controls. add (Button_IndexLast) ;}} protected void gvData_RowDataBound (object sender, GridViewRowEventArgs e) {if (e. row. rowType = DataControlRowType. dataR Ow) {// set the floating mouse pointer to "little hand" e. row. attributes ["style"] = "Cursor: hand";} string strGvName = "gvData"; e. row. attributes. add ("id", strGvName + _ I. toString (); e. row. attributes. add ("onKeyDown", "SelectRow (event, '" + strGvName + "');"); e. row. attributes. add ("onClick", "MarkRow (" + _ I. toString () + ", '" + strGvName + "');"); e. row. attributes. add ("tabindex", "0"); _ I ++;} protected void PageButtonClick (objec T sender, EventArgs e) {LinkButton clickedButton = (LinkButton) sender); if (clickedButton. commandName = "first") {gvData. pageIndex = 0;} else if (clickedButton. commandName = "next") {if (gvData. pageIndex <gvData. pageCount-1) {gvData. pageIndex + = 1 ;}} else if (clickedButton. commandName = "previous") {if (gvData. pageIndex> = 1) {gvData. pageIndex-= 1 ;}} else if (clickedButton. comma NdName = "last") {gvData. pageIndex = gvData. pageCount-1;} getBind ();} // modify protected void btnUpd_Click (object sender, EventArgs e) {int intNum = 0; if (this. NUM. text = "" | this. NUM. text = "0") {Response. write ("<script type = \" text/javascript \ "> alert ('Check your website and select an item first! ') </Script> "); return;} else {intNum = Convert. toInt16 (this. NUM. text)-1; tbValue. text = this. gvData. rows [intNum]. cells [1]. text. toString ();}}}
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