Application example Analysis of ASP.net checbox in GridView _ Practical skills

The application of ASP.net checbox in GridView is described in this paper. Share to everyone for your reference, specific as follows:

First look at the effect of the picture:

Foreground code: Style own Definition Oh!

<div style= "Text-align:center; width:80% "> <yxy:hkrgridview id=" tabGridView1 "runat=" Server "autogeneratecolumns=" False "width=" 100% "Onro Wdatabound= "Hkrgridview1_rowdatabound" onrowcreated= "hkrgridview1_rowcreated" showheader= "True" AllowPaging= " False "datakeynames=" keyID "showfooter=" false "> <Columns> <asp:BoundField> <itemsty Le horizontalalign= "Center" width= "5%"/> </asp:BoundField> <asp:TemplateField> <it emtemplate> <a href= ' <% #DataBinder. Eval (Container.DataItem, "NewName")%> ' ><% #DataBinder. Eval ( Container.DataItem, "Oldname")%></a> </ItemTemplate> </asp:TemplateField> <asp:b Oundfield datafield= "Memo" > <itemstyle width= "20%" horizontalalign= "left"/> </asp:boundfield&
       Gt <asp:TemplateField> <ItemTemplate> <asp:checkbox id= "checkbox" runat= "server"/> </ItemTemplate> <itemstyle horizontalalign=" Center "width=" 5% "/> </asp:te 
   mplatefield> </Columns> <footerstyle forecolor= "Red" horizontalalign= "Center" font-bold= "true"/> </yxy:HkrGridView> <div id= "Divone" style= "Text-align:right" > <asp:checkbox id= "Checkboxall" R unat= "Server" text= "Select All" width= "80px" autopostback= "True" oncheckedchanged= "checkboxall_checkedchanged"/> & Lt;asp:checkbox id= "CheckBox1" runat= "Server" text= "width=" 80px "autopostback=" True "oncheckedchanged=" CheckBox 1_checkedchanged "/> <asp:button id=" Button1 "runat=" Server "text=" Cancel "cssclass=" button "onclick=" Button1_clic

 K "/> </div> </div>

Background code:

protected void hkrgridview1_rowcreated (object sender, GridViewRowEventArgs e) {if (E.row.rowtype = = Datacontrolrowty Pe.
      Header) {tablecellcollection tcheader = e.row.cells;
      Tcheader.clear ();
      The first row of header Tcheader.add (new Tableheadercell ()); Tcheader[0].
      Text = "ordinal <br>no.";
      Tcheader.add (New Tableheadercell ()); TCHEADER[1].
      Text = "attachment name";
      Tcheader.add (New Tableheadercell ()); TCHEADER[2].
      Text = "Remarks";
      Tcheader.add (New Tableheadercell ()); TCHEADER[3].
    Text = "Select </tr>";
    } protected void Hkrgridview1_rowdatabound (object sender, GridViewRowEventArgs e) {GridViewRow gr = E.row; if (E.row.rowindex!=-1) {e.row.cells[0]. Text = (E.row.rowindex + 1).
    ToString (); } private void Hkrgridviewbind () {String strSQL = ' Select Keyid,newname, Oldname, Localhome,memo from Aq_file_up whe
    RE (relaid = @relaid) and (Fjtype = @fjType) and (Usestatus = 1) "; Sqlparameter[] sps = {NEW SqlParameter ("@relaid", This.hdnRelaId.Value), New SqlParameter ("@fjType", This.hdnFjType.Value)
    }; DataTable dt = PMS.
    Sqlhelper.executedatatable (CommandType.Text, strSQL, SPS);
    Tabgridview1.datasource = DT;
Tabgridview1.databind ();
    } rotected void Button1_Click (object sender, EventArgs e) {checkboxall.checked = false;
    checkbox1.checked = false; for (int i = 0; I <= tabgridview1.rows.count-1 i++) {checkbox cb = (checkbox) Tabgridview1.rows[i].
      FindControl ("CheckBox"); Cb.
    Checked = false; } protected void Checkbox1_checkedchanged (object sender, EventArgs e) {for (int i = 0; I <= tabGridView1.Rows.Cou nt-1; i++) {checkbox cb = (checkbox) Tabgridview1.rows[i].
      FindControl ("CheckBox"); if (CB). Checked = = False) {cb.
      Checked = true; else {cb.
      Checked = false;
    }}//checkbox1.checked =true;
checkboxall.checked = false; } protectedvoid Checkboxall_checkedchanged (object sender, EventArgs e) {for (int i = 0; I <= tabgridview1.rows.count-1; i++) {CheckBox cb = (checkbox) Tabgridview1.rows[i].
      FindControl ("CheckBox"); if (checkboxall.checked = = True) {cb.
      Checked = true; else {cb.
      Checked = false;
} checkbox1.checked = false;

 }

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