C# 更新栅格视图中的特定列
我有一个从数据库检索数据的GridView。用户有角色,一些用户将更新GridView中的一列,其他用户将根据角色更新其他列。请参见下面的代码!。我创建了如下的存储过程,并添加了代码。当我测试该项目时,以角色(AR Translator)为例,在网格视图中编辑列之后,它会用空值替换其他字段,所以请问我能做什么 存储过程C# 更新栅格视图中的特定列,c#,C#,我有一个从数据库检索数据的GridView。用户有角色,一些用户将更新GridView中的一列,其他用户将根据角色更新其他列。请参见下面的代码!。我创建了如下的存储过程,并添加了代码。当我测试该项目时,以角色(AR Translator)为例,在网格视图中编辑列之后,它会用空值替换其他字段,所以请问我能做什么 存储过程 ALTER Proc [dbo].[GetAllTranslation] AS BEGIN Select Id,Word ,Trans_AR ,Trans_
ALTER Proc [dbo].[GetAllTranslation]
AS
BEGIN
Select Id,Word
,Trans_AR
,Trans_EN
,Add_Date
From Translation
END
ALTER Proc [dbo].[UpdateTranslation]
(
@IdINT
,@Word NVARCHAR(MAX)
,@Trans_AR NVARCHAR(MAX)
,@Trans_EN NVARCHAR(MAX)
)
AS
BEGIN
UPDATE Translation SET
Word =@Word
,Trans_AR=@Trans_AR
,Trans_EN=@Trans_EN
WHERE Id=@Id
END
<div class="m10">
<asp:GridView ID="GridView1" runat="server" BackColor="White"
BorderColor="#DEDFDE" BorderStyle="None" BorderWidth="1px" CellPadding="4"
ForeColor="Black" GridLines="Vertical" AllowPaging="True"
AllowSorting="True" AutoGenerateColumns="False" DataKeyNames="Id"
DataSourceID="SDSTrans" onrowupdated="GridView1_RowUpdated">
<FooterStyle BackColor="#CCCC99" />
<RowStyle BackColor="#F7F7DE" />
<Columns>
<asp:CommandField HeaderText="Function" ShowEditButton="True" />
<asp:BoundField DataField="Id" HeaderText="Id" InsertVisible="False"
ReadOnly="True" SortExpression="Id" />
<asp:BoundField DataField="Word" HeaderText="Word" SortExpression="Word" />
<asp:BoundField DataField="Trans_AR" HeaderText="Trans_AR"
SortExpression="Trans_AR" />
<asp:BoundField DataField="Trans_EN" HeaderText="Trans_EN"
SortExpression="Trans_EN" />
<asp:BoundField DataField="Add_Date" HeaderText="Add_Date"
SortExpression="Add_Date" />
</Columns>
<PagerStyle BackColor="#F7F7DE" ForeColor="Black" HorizontalAlign="Right" />
<SelectedRowStyle BackColor="#CE5D5A" Font-Bold="True" ForeColor="White" />
<HeaderStyle BackColor="#6B696B" Font-Bold="True" ForeColor="White" />
<AlternatingRowStyle BackColor="White" />
</asp:GridView>
<asp:SqlDataSource ID="SDSTrans" runat="server"
ConnectionString="Data Source=ELARABY-1EACFA3\SQLEXPRESS;Initial Catalog=ElarabyGroup;Integrated Security=True"
ProviderName="System.Data.SqlClient" SelectCommand="GetAllTranslation"
SelectCommandType="StoredProcedure" UpdateCommand="UpdateTranslation"
UpdateCommandType="StoredProcedure">
<UpdateParameters>
<asp:ControlParameter ControlID="GridView1" Name="Id"
PropertyName="SelectedValue" Type="Int32" />
<asp:ControlParameter ControlID="GridView1" Name="Word"
PropertyName="SelectedValue" Type="String" />
<asp:ControlParameter ControlID="GridView1" Name="Trans_AR"
PropertyName="SelectedValue" Type="String" />
<asp:ControlParameter ControlID="GridView1" Name="Trans_EN"
PropertyName="SelectedValue" Type="String" />
</UpdateParameters>
</asp:SqlDataSource>
<asp:Label ID="ResultLBL" runat="server" Visible="false"></asp:Label>
</div>
aspx页面
ALTER Proc [dbo].[GetAllTranslation]
AS
BEGIN
Select Id,Word
,Trans_AR
,Trans_EN
,Add_Date
From Translation
END
ALTER Proc [dbo].[UpdateTranslation]
(
@IdINT
,@Word NVARCHAR(MAX)
,@Trans_AR NVARCHAR(MAX)
,@Trans_EN NVARCHAR(MAX)
)
AS
BEGIN
UPDATE Translation SET
Word =@Word
,Trans_AR=@Trans_AR
,Trans_EN=@Trans_EN
WHERE Id=@Id
END
<div class="m10">
<asp:GridView ID="GridView1" runat="server" BackColor="White"
BorderColor="#DEDFDE" BorderStyle="None" BorderWidth="1px" CellPadding="4"
ForeColor="Black" GridLines="Vertical" AllowPaging="True"
AllowSorting="True" AutoGenerateColumns="False" DataKeyNames="Id"
DataSourceID="SDSTrans" onrowupdated="GridView1_RowUpdated">
<FooterStyle BackColor="#CCCC99" />
<RowStyle BackColor="#F7F7DE" />
<Columns>
<asp:CommandField HeaderText="Function" ShowEditButton="True" />
<asp:BoundField DataField="Id" HeaderText="Id" InsertVisible="False"
ReadOnly="True" SortExpression="Id" />
<asp:BoundField DataField="Word" HeaderText="Word" SortExpression="Word" />
<asp:BoundField DataField="Trans_AR" HeaderText="Trans_AR"
SortExpression="Trans_AR" />
<asp:BoundField DataField="Trans_EN" HeaderText="Trans_EN"
SortExpression="Trans_EN" />
<asp:BoundField DataField="Add_Date" HeaderText="Add_Date"
SortExpression="Add_Date" />
</Columns>
<PagerStyle BackColor="#F7F7DE" ForeColor="Black" HorizontalAlign="Right" />
<SelectedRowStyle BackColor="#CE5D5A" Font-Bold="True" ForeColor="White" />
<HeaderStyle BackColor="#6B696B" Font-Bold="True" ForeColor="White" />
<AlternatingRowStyle BackColor="White" />
</asp:GridView>
<asp:SqlDataSource ID="SDSTrans" runat="server"
ConnectionString="Data Source=ELARABY-1EACFA3\SQLEXPRESS;Initial Catalog=ElarabyGroup;Integrated Security=True"
ProviderName="System.Data.SqlClient" SelectCommand="GetAllTranslation"
SelectCommandType="StoredProcedure" UpdateCommand="UpdateTranslation"
UpdateCommandType="StoredProcedure">
<UpdateParameters>
<asp:ControlParameter ControlID="GridView1" Name="Id"
PropertyName="SelectedValue" Type="Int32" />
<asp:ControlParameter ControlID="GridView1" Name="Word"
PropertyName="SelectedValue" Type="String" />
<asp:ControlParameter ControlID="GridView1" Name="Trans_AR"
PropertyName="SelectedValue" Type="String" />
<asp:ControlParameter ControlID="GridView1" Name="Trans_EN"
PropertyName="SelectedValue" Type="String" />
</UpdateParameters>
</asp:SqlDataSource>
<asp:Label ID="ResultLBL" runat="server" Visible="false"></asp:Label>
</div>
我不完全理解,但如果我有要点。。。默认情况下,从数据库返回空值,如下所示:
ALTER Proc [dbo].[GetAllTranslation]
AS
BEGIN
Select Id
,isnull(Word,'') as 'Word'
,isnull(Trans_AR,'') as 'Trans_AR'
,isnull(Trans_EN,'') as 'Trans_EN'
,Add_Date
From Translation
END
我想您需要像这样更新“更新”SP
ALTER Proc [dbo].[UpdateTranslation]
(
@IdINT
,@Word NVARCHAR(MAX)
,@Trans_AR NVARCHAR(MAX)
,@Trans_EN NVARCHAR(MAX)
)
AS
BEGIN
UPDATE Translation SET
Word =isnull(@Word,Word)
,Trans_AR=isnull(@Trans_AR, Trans_AR)
,Trans_EN=isnull(@Trans_EN ,Trans_EN)
WHERE Id=@Id
END
你能把问题再澄清一点吗?我不太明白你在问什么。。。是否手动更新gridview列?听起来他有空字符问题。。。或者可能是将一列置零?我希望翻译正确。我编辑了这个问题,我想你会理解问题仍然存在。当我对特定列进行更新时,它会将其他字段值替换为空值