asp.net中GridView编辑,更新,合计用法示例

<asp:GridView ID="tabgv" runat="server" DataKeyNames="ysId" ShowFooter="True" OnRowDataBound="GridView1_RowDataBound"
 OnRowCreated="GridView1_RowCreated" AutoGenerateColumns="False" Width="99%" CssClass="gridview"
 EnableModelValidation="True" OnRowCancelingEdit="tabgv_RowCancelingEdit" OnRowEditing="tabgv_RowEditing"
 OnRowUpdating="tabgv_RowUpdating">
 <RowStyle BorderColor="Black" BorderStyle="None" />
 <Columns>
 <asp:BoundField DataField="gsHkrno" HeaderText="项目编号" ReadOnly="True">
 <ItemStyle Width="5%" HorizontalAlign="Center" />
 <FooterStyle BorderWidth="0px" />
 </asp:BoundField>
 <asp:TemplateField HeaderText="项目名称">
 <ItemTemplate>
 <asp:HyperLink ID="Hyp_gsName" runat="server" ForeColor="Blue" Text='<%# Bind("gsName") %>'></asp:HyperLink>
 </ItemTemplate>
 <ItemStyle Width="25%" HorizontalAlign="left" />
 <FooterTemplate>
 <asp:Label ID="Label4" runat="server" Font-Bold="True" Text="合 计：" Width="61px"></asp:Label>
 </FooterTemplate>
 <FooterStyle BorderColor="Black" BorderWidth="0px" HorizontalAlign="Right" />
 </asp:TemplateField>
 <asp:TemplateField HeaderText="概算金额">
 <ItemTemplate>
 <asp:Label ID="labgsMoney" runat="server" Text='<%#Bind("gsMoney", "{0:N2}") %>'></asp:Label>
 </ItemTemplate>
 <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="开工至上年底\n累计完成概算">
 <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="right" />
 <FooterTemplate>
 <asp:Label ID="labtotalfootMoney" runat="server" ForeColor="Red"></asp:Label>
 </FooterTemplate>
 <FooterStyle BorderColor="Black" HorizontalAlign="Right" />
 </asp:TemplateField>
 <asp:TemplateField HeaderText="投资计划金额">
 <ItemTemplate>
 <asp:Label ID="labtzqysMoney" runat="server" Text='<%# Bind("tzqysMoney", "{0:N2}") %>'></asp:Label>
 </ItemTemplate>
 <EditItemTemplate>
 <asp:TextBox 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>
 <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="备注">
 <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="LkBtnUpdate" runat="server" CausesValidation="True" CommandName="Update"
 Text="更新"></asp:LinkButton>
 <asp:LinkButton ID="LkBtnCtrl" runat="server" CausesValidation="False" CommandName="Cancel"
 Text="取消"></asp:LinkButton>
 </EditItemTemplate>
 <ItemTemplate>
 <asp:LinkButton ID="LinkButton2" runat="server" CausesValidation="False" CommandName='<%#Eval("childFlag").ToString()== "0" ? "":"Edit"%>'
 Text='<%#Eval("childFlag").ToString()== "0" ? "锁定":"编辑"%>'></asp:LinkButton>
 </ItemTemplate>
 <ItemStyle Width="8%" HorizontalAlign="Center" />
 </asp:TemplateField>
 </Columns>
</asp:GridView>

<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>

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.FindControl("Hyp_gsName");
 if (hdnChildFlag.Value!="1")
 {
 //设置连接地址\参数
 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;
 }
 //计算合计
 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);
 }
 //编辑状态时,不然点击编辑时会出错,找不到控件
 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 //非编辑状态时
 {
 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);
 }
 }
 }
}
//取消编辑
protected void tabgv_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
{
 tabgv.EditIndex = -1;
 string strysYear = (Convert.ToInt32(ysYear) - 1).ToString();
 GvDataBind(gsHkrno, "0002", ysYear, "1900-01-01 00:00:00", strysYear + "-12-25 00:00:00");
}
//编辑
protected void tabgv_RowEditing(object sender, GridViewEditEventArgs e)
{
 tabgv.EditIndex = e.NewEditIndex;
 string strysYear = (Convert.ToInt32(ysYear) - 1).ToString();
 GvDataBind(gsHkrno, "0002", ysYear, "1900-01-01 00:00:00", strysYear + "-12-25 00:00:00");
}
//更新
protected void tabgv_RowUpdating(object sender, GridViewUpdateEventArgs 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, "1900-01-01 00:00:00", strysYear + "-12-25 00:00:00");
}