In asp.net, The GridView is edited, updated, and the total usage example is asp. netgridview.

In asp.net, The GridView is edited, updated, and the total usage example is asp. netgridview.

This example describes how to edit, update, and aggregate a GridView in asp.net. We will share this with you for your reference. The details are as follows:

Front-end code:

<Asp: gridView ID = "tabgv" runat = "server" DataKeyNames = "ysId" ShowFooter = "True" OnRowDataBound = "inline" OnRowCreated = "GridView1_RowCreated" AutoGenerateColumns = "False" Width = "99% "CssClass =" gridview "EnableModelValidation =" True "OnRowCancelingEdit =" inline "OnRowEditing =" inline "OnRowUpdating =" tabgv_RowUpdating "> <RowStyle BorderColor =" Black "BorderStyle =" None "/> <Columns> <asp: boundField DataField = "gsHkrno" HeaderText = "Project No." ReadOnly = "True"> <ItemStyle Width = "5%" HorizontalAlign = "Center"/> <FooterStyle BorderWidth = "0px "/> </asp: boundField> <asp: TemplateField HeaderText = "project name"> <ItemTemplate> <asp: hyperLink ID = "Hyp_gsName" runat = "server" ForeColor = "Blue" Text = '<% # Bind ("gsName") %>'> </asp: hyperLink> </ItemTemplate> <ItemStyle Width = "25%" HorizontalA Lign = "left"/> <FooterTemplate> <asp: Label ID = "Label4" runat = "server" Font-Bold = "True" Text = "merge: "Width =" 61px "> </asp: Label> </FooterTemplate> <FooterStyle BorderColor =" Black "BorderWidth =" 0px "HorizontalAlign =" Right "/> </asp: templateField> <asp: TemplateField HeaderText = "estimated amount"> <ItemTemplate> <asp: label ID = "labgsMoney" runat = "server" Text = '<% # Bind ("gsMoney", "{0: N2}") %>'> </asp: label> </ItemTempl Ate> <ItemStyle Width = "8%" HorizontalAlign = "right"/> <FooterTemplate> <asp: label ID = "labtotalgsMoney" runat = "server" ForeColor = "Red"> </asp: label> </FooterTemplate> <FooterStyle BorderColor = "Black" HorizontalAlign = "Right"/> </asp: TemplateField> <asp: templateField HeaderText = "commencement of work until the end of the year \ n cumulative completion of budget estimates"> <ItemTemplate> <asp: label ID = "labkgzsndwcGsMoney" runat = "server" Text = '<% # Bind ("footMoney", "{0: N2}") %>'> </Asp: Label> <asp: HiddenField ID = "hdnysYear" runat = "server" Value = '<% # Eval ("ysYear ") %> '/> <asp: HiddenField ID = "hdngsId" runat = "server" Value =' <% # Eval ("gsId") %> '/> <asp: hiddenField ID = "hdngsHkrno" runat = "server" Value = '<% # Eval ("gsHkrno") %>'/> <asp: hiddenField ID = "hdnChildFlag" runat = "server" Value = '<% # Eval ("childFlag ") %> '/> </ItemTemplate> <ItemStyle Width = "8%" HorizontalAlign = "rig Ht "/> <FooterTemplate> <asp: Label ID =" labtotalfootMoney "runat =" server "ForeColor =" Red "> </asp: label> </FooterTemplate> <FooterStyle BorderColor = "Black" HorizontalAlign = "Right"/> </asp: TemplateField> <asp: templateField HeaderText = "investment plan amount"> <ItemTemplate> <asp: Label ID = "labtzqysMoney" runat = "server" Text = '<% # Bind ("tzqysMoney ", "{0: N2}") %> '> </asp: Label> </ItemTemplate> <EditItemTemplate> <asp: Tex TBox ID = "txttzqysMoney" runat = "server" Text = '<% # Eval ("tzqysMoney") %> 'style = "text-align: right "Width =" 100px "onKeyPress =" if (event. keyCode! = 46 & event. keyCode! = 45 & (event. keyCode <48 | event. keyCode> 57) event. returnValue = false "> </asp: TextBox> </EditItemTemplate> <ItemStyle Width =" 8% "HorizontalAlign =" right "/> <FooterTemplate> <asp: label ID = "labtotaltzqysMoney" runat = "server" ForeColor = "Red"> </asp: label> </FooterTemplate> <FooterStyle BorderColor = "Black" HorizontalAlign = "Right"/> </asp: TemplateField> <ItemTemplate> <asp: label ID =" LabtzhysMoney "runat =" server "Text = '<% # Bind (" tzhysMoney "," {0: N2} ") %>'> </asp: label> </ItemTemplate> <EditItemTemplate> <asp: TextBox ID = "txttzhysMoney" runat = "server" Text = '<% # Eval ("tzhysMoney ") %> 'style = "text-align: right" Width = "100px" onKeyPress = "if (event. keyCode! = 46 & event. keyCode! = 45 & (event. keyCode <48 | event. keyCode> 57) event. returnValue = false "> </asp: TextBox> </EditItemTemplate> <ItemStyle Width =" 8% "HorizontalAlign =" right "/> <FooterTemplate> <asp: label ID = "labtotaltzhysMoney" runat = "server" ForeColor = "Red"> </asp: label> </FooterTemplate> <FooterStyle BorderColor = "Black" HorizontalAlign = "Right"/> </asp: TemplateField> <asp: TemplateField HeaderText = "Remarks"> <ItemTemplate> <Asp: Label ID = "labtremark" runat = "server" Text = '<% # Eval ("remark") %>'> </asp: label> </ItemTemplate> <EditItemTemplate> <asp: TextBox ID = "txtremark" runat = "server" Text = '<% # Eval ("remark ") %> 'width = "100px"> </asp: TextBox> </EditItemTemplate> <ItemStyle Width = "10%" HorizontalAlign = "Center"/> </asp: templateField> <asp: TemplateField ShowHeader = "False"> <EditItemTemplate> <asp: LinkButton ID = "LkBtnUp Date "runat =" server "CausesValidation =" True "CommandName =" Update "Text =" Update "> </asp: LinkButton> <asp: linkButton ID = "LkBtnCtrl" runat = "server" CausesValidation = "False" CommandName = "Cancel" Text = "Cancel"> </asp: linkButton> </EditItemTemplate> <ItemTemplate> <asp: linkButton ID = "LinkButton2" runat = "server" CausesValidation = "False" CommandName = '<% # Eval ("childFlag "). toString () = "0 "? "": "Edit" %> 'text = '<% # Eval ("childFlag"). ToString () = "0 "? "Lock": "edit" %> '> </asp: LinkButton> </ItemTemplate> <ItemStyle Width = "8%" HorizontalAlign = "Center"/> </asp: templateField> </Columns> </asp: GridView>

Note:

1. Set ReadOnly = "True" to indicate that this column cannot be edited;
2. format the amount by Text = '<% # Bind ("tzhysMoney", "{0: N2}") %>;
3. Key edits, displays, and totals

<asp:TemplateField>  <ItemTemplate>    <asp:Label ID="labtzhysMoney" runat="server" Text='<%# Bind("tzhysMoney", "{0:N2}") %>'></asp:Label>  </ItemTemplate>  <EditItemTemplate>    <asp:TextBox ID="txttzhysMoney" runat="server" Text='<%# Eval("tzhysMoney") %> '      Style="text-align: right" Width="100px"       ></asp:TextBox>  </EditItemTemplate>  <ItemStyle Width="8%" HorizontalAlign="right" />  <FooterTemplate>    <asp:Label ID="labtotaltzhysMoney" runat="server" ForeColor="Red"></asp:Label>  </FooterTemplate>  <FooterStyle BorderColor="Black" HorizontalAlign="Right" /></asp:TemplateField>

Background code:

Actions for row binding:

Protected void GridView1_RowDataBound (object sender, GridViewRowEventArgs e) {GridViewRow gr = e. row; if (gr. rowType = DataControlRowType. dataRow) {HiddenField hdnysYear = (HiddenField) e. row. findControl ("hdnysYear"); HiddenField hdngsHkrno = (HiddenField) e. row. findControl ("hdngsHkrno"); HiddenField hdnChildFlag = (HiddenField) e. row. findControl ("hdnChildFlag"); HyperLink hy = (HyperLink) e. row. find Control ("Hyp_gsName"); if (hdnChildFlag. Value! = "1") {// set the connection address \ parameter hy. NavigateUrl = "ys_edit_right.aspx? GsHkrno = "+ hdngsHkrno. value + "& sysObjNo =" + sysObjNo + "& ysYear =" + hdnysYear. value; hy. font. underline = true; hy. foreColor = System. drawing. color. blue; hy. target = "mainFrame";} else {hy. foreColor = System. drawing. color. black;} // calculate the total Label labgsMoney = (Label) (e. row. findControl ("labgsMoney"); if (labgsMoney! = Null | labgsMoney. Text! = "") {GsMoneytotal + = Convert. toDecimal (labgsMoney. text);} Label labkgzsndwcGsMoney = (Label) (e. row. findControl ("labkgzsndwcGsMoney"); if (labkgzsndwcGsMoney! = Null | labkgzsndwcGsMoney. Text! = "") {FootMoneytotal + = Convert. toDecimal (labkgzsndwcGsMoney. text);} // The editing status. Otherwise, an error occurs when you click Edit. if (e. row. rowState & DataControlRowState. edit) = DataControlRowState. edit) {TextBox txttzqysMoney = (TextBox) (e. row. findControl ("txttzqysMoney"); if (txttzqysMoney! = Null | txttzqysMoney. Text! = "") {TzqysMoneytotal + = Convert. toDecimal (txttzqysMoney. text);} TextBox txttzhysMoney = (TextBox) (e. row. findControl ("txttzhysMoney"); if (txttzhysMoney! = Null | txttzhysMoney. Text! = "") {TzhysMoneytotal + = Convert. toDecimal (txttzhysMoney. text) ;}} else // when the status is not editable {Label labtzqysMoney = (Label) (e. row. findControl ("labtzqysMoney"); if (labtzqysMoney! = Null | labtzqysMoney. Text! = "") {TzqysMoneytotal + = Convert. toDecimal (labtzqysMoney. text);} Label labtzhysMoney = (Label) (e. row. findControl ("labtzhysMoney"); if (labtzhysMoney! = Null | labtzhysMoney. Text! = "") {TzhysMoneytotal + = Convert. toDecimal (labtzhysMoney. text) ;}}}// cancel the edit protected void tabgv_RowCancelingEdit (object sender, GridViewCancelEditEventArgs e) {tabgv. editIndex =-1; string strysYear = (Convert. toInt32 (ysYear)-1 ). toString (); GvDataBind (gsHkrno, "0002", ysYear, "00:00:00", strysYear + "-12-25 00:00:00 ");} // edit protected void tabgv_RowEditing (object sender, GridViewEditEventArgs e) {tabgv. editIndex = e. newEditIndex; string strysYear = (Convert. toInt32 (ysYear)-1 ). toString (); GvDataBind (gsHkrno, "0002", ysYear, "00:00:00", strysYear + "-12-25 00:00:00 ");} // update protected void tabgv_RowUpdating (object sender, Volume e) {string sqlstr = "update ys_ysitem_list set tzqysMoney = @ tzqysMoney, tzhysMoney = @ tzhysMoney, remark = @ remark where ysId = @ ysId "; SqlParameter [] para = {new SqlParameter (" @ tzqysMoney ", SqlDbType. varChar), new SqlParameter ("@ tzhysMoney", SqlDbType. varChar), new SqlParameter ("@ remark", SqlDbType. varChar), new SqlParameter ("@ ysId", SqlDbType. varChar)}; para [0]. value = (TextBox) (tabgv. rows [e. rowIndex]. findControl ("txttzqysMoney "))). text. toString (). trim (); para [1]. value = (TextBox) (tabgv. rows [e. rowIndex]. findControl ("txttzhysMoney "))). text. toString (). trim (); para [2]. value = (TextBox) (tabgv. rows [e. rowIndex]. findControl ("txtremark "))). text. toString (). trim (); para [3]. value = tabgv. dataKeys [e. rowIndex]. value. toString (); pms. sqlHelper. executeNonQuery (CommandType. text, sqlstr, para); tabgv. editIndex =-1; string strysYear = (Convert. toInt32 (ysYear)-1 ). toString (); GvDataBind (gsHkrno, "0002", ysYear, "00:00:00", strysYear + "-12-25 00:00:00 ");}