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Jquery片段：
<script type="text/javascript">
function compute(nbBoxQuantity, lblQuantityPerBox, lblQuantity, nbPrice, lblTotalAmounts) {
if (nbBoxQuantity.value == "" || nbBoxQuantity.length == 0) {
nbBoxQuantity.value = 0;
}
if (lblQuantityPerBox.innerText == "" || lblQuantityPerBox.length == 0) {
lblQuantityPerBox.innerText(0);
}
if (nbPrice.value == "" || nbPrice.length == 0) {
nbPrice.value = 0;
}
if (lblQuantity.innerText == "" || lblQuantity.length == 0) {
lblQuantity.innerText(0);
}
lblQuantity.innerText = nbBoxQuantity.value * lblQuantityPerBox.innerText;
lblTotalAmounts.innerText = nbPrice.value * lblQuantity.innerText;
}
</script>
前台片段：
<swc:DataGridView ID="dgvList" runat="server" DataKeyNames="ID"
AllowSorting="true" CurrentSortField="GoodsId"
OnRowDeleting="dgvList_RowDeleting" OnRowEditing="dgvList_RowEditing" OnRowDataBound="dgvList_RowDataBound" OnRowCommand="dgvList_RowCommand"
OnRowCancelingEdit="dgvList_RowCancelingEdit" OnRowUpdating="dgvList_RowUpdating">
<Columns>
<swc:TemplateField HeaderText="Id" Visible="false">
<ItemTemplate>
<asp:Literal runat="server" ID="ltlId"></asp:Literal>
</ItemTemplate>
<EditItemTemplate>
<asp:Literal runat="server" ID="ltlId"></asp:Literal>
</EditItemTemplate>
</swc:TemplateField>
<swc:TemplateField HeaderText="编号" Width="100" ItemStyle-HorizontalAlign="Center">
<ItemTemplate>
<asp:Literal runat="server" ID="ltlGoodsCode"></asp:Literal>
</ItemTemplate>
<EditItemTemplate>
<asp:Literal runat="server" ID="ltlGoodsCode"></asp:Literal>
</EditItemTemplate>
</swc:TemplateField>
<swc:TemplateField HeaderText="名称" Width="100" ItemStyle-HorizontalAlign="Center">
<ItemTemplate>
<asp:Literal runat="server" ID="ltlGoodsName"></asp:Literal>
</ItemTemplate>
<EditItemTemplate>
<asp:Literal runat="server" ID="ltlGoodsName"></asp:Literal>
</EditItemTemplate>
</swc:TemplateField>
<swc:TemplateField HeaderText="类型" Width="60" ItemStyle-HorizontalAlign="Center">
<ItemTemplate>
<asp:Literal ID="ltlType" runat="server" />
</ItemTemplate>
<EditItemTemplate>
<asp:Literal ID="ltlType" runat="server" />
</EditItemTemplate>
</swc:TemplateField>
<swc:TemplateField HeaderText="赠品" Width="60" ItemStyle-HorizontalAlign="Center">
<ItemTemplate>
<asp:Literal ID="ltlIsGift" runat="server" />
</ItemTemplate>
<EditItemTemplate>
<asp:DropDownList ID="ddlIsGift" runat="server">
<asp:ListItem Value="True">是</asp:ListItem>
<asp:ListItem Value="False">否</asp:ListItem>
</asp:DropDownList>
</EditItemTemplate>
</swc:TemplateField>
<swc:TemplateField HeaderText="箱数" Width="60" ItemStyle-HorizontalAlign="Center">
<ItemTemplate>
<asp:Literal ID="ltlBoxQuantity" runat="server" />
</ItemTemplate>
<EditItemTemplate>
<swc:NumberBox ID="nbBoxQuantity" runat="server" Digit="0" Width="60" />
</EditItemTemplate>
</swc:TemplateField>
<swc:TemplateField HeaderText="每箱数" Width="60" ItemStyle-HorizontalAlign="Center">
<ItemTemplate>
<asp:Label ID="lblQuantityPerBox" runat="server"></asp:Label>
</ItemTemplate>
<EditItemTemplate>
<asp:Label ID="lblQuantityPerBox" runat="server"></asp:Label>
</EditItemTemplate>
</swc:TemplateField>
<swc:TemplateField HeaderText="数量" Width="60" ItemStyle-HorizontalAlign="Center">
<ItemTemplate>
<asp:Label ID="lblQuantity" runat="server"></asp:Label>
</ItemTemplate>
<EditItemTemplate>
<asp:Label ID="lblQuantity" runat="server"></asp:Label>
</EditItemTemplate>
</swc:TemplateField>
<swc:TemplateField HeaderText="单价" Width="60" ItemStyle-HorizontalAlign="Center">
<ItemTemplate>
<asp:Literal ID="ltlPrice" runat="server" />
</ItemTemplate>
<EditItemTemplate>
<swc:NumberBox ID="nbPrice" runat="server" Digit="2" Width="60" />
</EditItemTemplate>
</swc:TemplateField>
<swc:TemplateField HeaderText="总价" Width="60" ItemStyle-HorizontalAlign="Center">
<ItemTemplate>
<asp:Label ID="lblTotalAmounts" runat="server"></asp:Label>
</ItemTemplate>
<EditItemTemplate>
<asp:Label ID="lblTotalAmounts" runat="server"></asp:Label>
</EditItemTemplate>
</swc:TemplateField>
<asp:CommandField ShowDeleteButton="True" ShowEditButton="True" HeaderText="操作" HeaderStyle-Width="60" />
</Columns>
</swc:DataGridView>
后台片段：
protected void dgvList_RowDataBound(object sender, GridViewRowEventArgs e)
{
GridViewRow row = e.Row;
switch (row.RowType)
{
case DataControlRowType.DataRow:
SC_PurchaseItem item = row.DataItem as SC_PurchaseItem;
if (item.Id != Guid.Empty)
{
Literal ltlId = row.FindControl<Literal>("ltlId");
Literal ltlGoodsCode = row.FindControl<Literal>("ltlGoodsCode");
Literal ltlGoodsName = row.FindControl<Literal>("ltlGoodsName");
Literal ltlType = row.FindControl<Literal>("ltlType");
Label lblQuantityPerBox = row.FindControl<Label>("lblQuantityPerBox");
Label lblQuantity = row.FindControl<Label>("lblQuantity");
Label lblTotalAmounts = row.FindControl<Label>("lblTotalAmounts");
var good = bll.Get<M_Goods>(item.GoodsId);
ltlId.Text = item.Id.ToString();
ltlGoodsCode.Text = good.GoodsCode;
ltlGoodsName.Text = good.GoodsName;
ltlType.Text = good.GoodsType.ToText();
lblQuantityPerBox.Text = item.QuantityPerBox.ToString();
//if (e.Row.RowState == DataControlRowState.Edit)
if (e.Row.RowState == (DataControlRowState.Alternate | DataControlRowState.Edit) || e.Row.RowState == DataControlRowState.Edit)
{
System.Web.UI.WebControls.DropDownList ddlIsGift = row.FindControl<System.Web.UI.WebControls.DropDownList>("ddlIsGift");
NumberBox nbBoxQuantity = row.FindControl<NumberBox>("nbBoxQuantity");
NumberBox nbPrice = row.FindControl<NumberBox>("nbPrice");
ddlIsGift.SelectedValue = item.IsGift.ToString();
nbBoxQuantity.Value = item.BoxQuantity.ToHtmlDecode();
nbPrice.Text = item.Price.ToHtmlDecode();
nbBoxQuantity.Attributes.Add("onchange", "compute(" + nbBoxQuantity.ClientID + "," + lblQuantityPerBox.ClientID + "," + lblQuantity.ClientID + "," + nbPrice.ClientID + "," + lblTotalAmounts.ClientID + ");");
nbPrice.Attributes.Add("onchange", "compute(" + nbBoxQuantity.ClientID + "," + lblQuantityPerBox.ClientID + "," + lblQuantity.ClientID + "," + nbPrice.ClientID + "," + lblTotalAmounts.ClientID + ");");
}
else
{
Literal ltlIsGift = row.FindControl<Literal>("ltlIsGift");
Literal ltlBoxQuantity = row.FindControl<Literal>("ltlBoxQuantity");
Literal ltlPrice = row.FindControl<Literal>("ltlPrice");
ltlIsGift.Text = item.IsGift ? "是" : "否";
ltlBoxQuantity.Text = item.BoxQuantity.ToHtmlDecode();
ltlPrice.Text = item.Price.ToHtmlDecode();
}
lblQuantity.Text = (item.BoxQuantity * item.QuantityPerBox).ToHtmlDecode();
lblTotalAmounts.Text = ((item.BoxQuantity * item.QuantityPerBox) * item.Price).ToHtmlDecode();
}
break;
}
}
protected void dgvList_RowCommand(object sender, GridViewCommandEventArgs e)
{
}
protected void dgvList_RowDeleting(object sender, GridViewDeleteEventArgs e)
{
GridView gv = (GridView)sender;
string id = ((System.Web.UI.WebControls.Literal)gv.Rows[e.RowIndex].FindControl("ltlId")).Text;
SC_PurchaseItem entity = new SC_PurchaseItem
{
Id = new Guid(id),
UpdatedDate = DateTime.Now,
UpdatedUser = CurrentUser.DisplayName
};
PurchaseBll bll = new PurchaseBll();
bll.DeletePurchaseItem(entity);
this.BindGrid();
}
protected void dgvList_RowEditing(object sender, GridViewEditEventArgs e)
{
GridView gv = (GridView)sender;
gv.EditIndex = e.NewEditIndex;
this.BindGrid();
}
protected void dgvList_Sorting(object sender, GridViewSortEventArgs e)
{
this.BindGrid();
}
protected void dgvList_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
{
dgvList.EditIndex = -1;
this.BindGrid();
}
protected void dgvList_RowUpdating(object sender, GridViewUpdateEventArgs e)
{
GridView gv = (GridView)sender;
string id = ((System.Web.UI.WebControls.Literal)gv.Rows[e.RowIndex].FindControl("ltlId")).Text;
bool ddlIsGift = ((System.Web.UI.WebControls.DropDownList)gv.Rows[e.RowIndex].FindControl("ddlIsGift")).SelectedValue.As<bool>();
int nbBoxQuantity = ((NumberBox)gv.Rows[e.RowIndex].FindControl("nbBoxQuantity")).Value.As<int>();
int lblQuantity = ((Label)gv.Rows[e.RowIndex].FindControl("lblQuantity")).Text.As<int>();
decimal nbPrice = ((NumberBox)gv.Rows[e.RowIndex].FindControl("nbPrice")).Value.As<decimal>();
PurchaseBll bll = new PurchaseBll();
SC_PurchaseItem entity = new SC_PurchaseItem
{
Id = new Guid(id),
IsGift = ddlIsGift,
BoxQuantity = nbBoxQuantity,
Quantity = lblQuantity,
Price = nbPrice,
UpdatedDate = DateTime.Now,
UpdatedUser = CurrentUser.DisplayName
};
bll.UpdatePurchaseItem(entity);
gv.EditIndex = -1;
this.BindGrid();
}
Gridview编辑时Jquery自动计算自定义列（鼠标离开输入框Jquery计算）
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原文地址：http://www.cnblogs.com/ricky_li/p/4819868.html
