[英]IDENTITY_INSERT is set to OFF
<asp:GridView ID="GridView1" runat="server" AllowSorting="True" AutoGenerateColumns="False" CssClass="table table-striped" DataKeyNames="productsID" DataSourceID="productsObj">
<Columns>
<asp:BoundField DataField="productsID" HeaderText="productsID" ReadOnly="True" SortExpression="productsID" />
<asp:BoundField DataField="name" HeaderText="name" SortExpression="name" />
<asp:BoundField DataField="price" HeaderText="price" SortExpression="price" />
<asp:BoundField DataField="image" HeaderText="image" SortExpression="image" />
</Columns>
</asp:GridView>
<asp:ObjectDataSource ID="productsObj" runat="server"
DeleteMethod="Delete" InsertMethod="Insert"
OldValuesParameterFormatString="original_{0}"
SelectMethod="GetData"
TypeName="productsTableAdapters.productsTableAdapter"
UpdateMethod="Update">
<DeleteParameters>
<asp:Parameter Name="Original_productsID" Type="Int32" />
</DeleteParameters>
<InsertParameters>
<asp:Parameter Name="productsID" Type="Int32" />
<asp:Parameter Name="name" Type="String" />
<asp:Parameter Name="price" Type="Decimal" />
<asp:Parameter Name="image" Type="String" />
</InsertParameters>
<UpdateParameters>
<asp:Parameter Name="name" Type="String" />
<asp:Parameter Name="price" Type="Decimal" />
<asp:Parameter Name="image" Type="String" />
<asp:Parameter Name="Original_productsID" Type="Int32" />
</UpdateParameters>
</asp:ObjectDataSource>
<div class="col-lg-10 col-lg-offset-1 col-md-12">
<div class="col-lg-6">
<asp:Label ID="Label1" CssClass="h1" runat="server" Text="Add Albums"></asp:Label>
<asp:DetailsView ID="DetailsView1" runat="server" CssClass="table table-striped" AutoGenerateRows="False" DataKeyNames="productsID" DataSourceID="productsObj" DefaultMode="Insert">
<Fields>
<asp:BoundField DataField="productsID" HeaderText="productsID" ReadOnly="True" SortExpression="productsID" InsertVisible="False" />
<asp:BoundField DataField="name" HeaderText="name" ControlStyle-CssClass="input-sm form-control" SortExpression="name" />
<asp:BoundField DataField="price" HeaderText="price" ControlStyle-CssClass=" input-sm form-control" SortExpression="price" />
<asp:BoundField DataField="image" HeaderText="image" ControlStyle-CssClass=" input-sm form-control" SortExpression="image" />
<asp:CommandField ShowInsertButton="True" />
</Fields>
</asp:DetailsView>
</div>
SQL Server表结构:
CREATE TABLE [dbo].[products]
(
[productsID] INT IDENTITY (1, 1) NOT NULL,
[name] VARCHAR(50) NOT NULL,
[price] DECIMAL(18, 2) NOT NULL,
[image] VARCHAR(255) NOT NULL,
PRIMARY KEY CLUSTERED ([productsID] ASC)
);
我有一个正在显示一些数据的gridview,我知道希望通过详细信息视图输入一些新行。 由于某些奇怪的原因,我不断收到此错误:
当IDENTITY_INSERT设置为OFF时,无法在表“产品”中为标识列插入显式值。
我真的不知道它是由什么引起的,所以我坚持寻求解决方案。 任何帮助或建议都很好!
错误的原因是由于您试图将值插入到具有标识列的表中而SQL建议,如果要这样做,则必须启用
SET IDENTITY_INSERT ON;
如果您不想在“身份”列中插入值,则可以执行以下操作
insert into table
(all columns except identity)
values
(col values for all except identity)
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