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asp.net中GridView編輯,更新,合計用法示例

2024-07-10 13:31:02
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本文實例講述了asp.net中GridView編輯,更新,合計用法。分享給大家供大家參考,具體如下:

前臺代碼:

<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="項目編號" ReadOnly="True">      <ItemStyle Width="5%" HorizontalAlign="Center" />      <FooterStyle BorderWidth="0px" />    </asp:BoundField>    <asp:TemplateField HeaderText="項目名稱">      <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 計:" Width="61px"></asp:Label>      </FooterTemplate>      <FooterStyle BorderColor="Black" BorderWidth="0px" HorizontalAlign="Right" />    </asp:TemplateField>    <asp:TemplateField HeaderText="概算金額">      <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="開工至上年底/n累計完成概算">      <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="投資計劃金額">      <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="備注">      <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" ? "鎖定":"編輯"%>'></asp:LinkButton>      </ItemTemplate>      <ItemStyle Width="8%" HorizontalAlign="Center" />    </asp:TemplateField>  </Columns></asp:GridView>

注意:

1、通過設置 ReadOnly="True" 表示此列不可以編輯;
2、通過Text='<%# Bind("tzhysMoney", "{0:N2}") %>'進行金額格式化;
3、重點的編輯/顯示/合計

<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>

后臺代碼:

行綁定時的操作:

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")      {      //設置連接地址/參數        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;      }      //計算合計      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);      }      //編輯狀態時,不然點擊編輯時會出錯,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 //非編輯狀態時      {        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);        }      }    }}//取消編輯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");}//編輯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");}

 

希望本文所述對大家asp.net程序設計有所幫助。


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