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asp.net中GridView编辑,更新,合计用法示例
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本文实例讲述了asp.net中GridView编辑,更新,合计用法。分享给大家供大家参考，具体如下：

前台代码:

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.keyCode48 || 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.keyCode48 || 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>

注意:

1、通过设置 ReadOnly="True" 表示此列不可以编辑;
2、通过Text='%# Bind("tzhysMoney", "{0:N2}") %>'进行金额格式化;
3、重点的编辑\显示\合计

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>

后台代码:

行绑定时的操作:

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")
      {
      //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");
}

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