Asp.net 将空值传递给rdlc报告布尔参数
我有单选按钮列表。asp代码:Asp.net 将空值传递给rdlc报告布尔参数,asp.net,vb.net,parameter-passing,rdlc,Asp.net,Vb.net,Parameter Passing,Rdlc,我有单选按钮列表。asp代码: Auditing: <asp:RadioButtonList ID="RBLAudit" runat="server" Font-Bold="true" RepeatDirection="Horizontal" RepeatLayout="Flow" TextAlign="Left"> <asp:ListItem Value="true" Text=" Audited" Selected="True"/> <as
Auditing: <asp:RadioButtonList ID="RBLAudit" runat="server" Font-Bold="true" RepeatDirection="Horizontal" RepeatLayout="Flow" TextAlign="Left">
<asp:ListItem Value="true" Text=" Audited" Selected="True"/>
<asp:ListItem Value="false" Text=" Not Audited "/>
<asp:ListItem Value="" Text="ALL"/>
</asp:RadioButtonList>
审计:
当选择单选按钮列表的所有选项时,我希望传递空值。
我在后面尝试这个代码
If (RBLAudit.SelectedValue <> "") Then
p9 = New ReportParameter("State", RBLAudit.SelectedValue)
ElseIf (RBLAudit.SelectedValue = "") Then
p9 = New ReportParameter("State", DBNull.Value.ToString())
End If
Dim RepParams() As ReportParameter = {p1, p2, p3, p4, p5, p6, p7, p8, p9}
如果(RBLAudit.SelectedValue“”),则
p9=新报告参数(“状态”,RBLAudit.SelectedValue)
ElseIf(RBLAudit.SelectedValue=“”)然后
p9=新的ReportParameter(“State”,DBNull.Value.ToString())
如果结束
Dim RepParams()作为报告参数={p1,p2,p3,p4,p5,p6,p7,p8,p9}
但当RBLAudit.SelectedValue=“
时,这不起作用。错误是“为报表参数“State”提供的值对其类型无效。”
如何为这个布尔参数传递空值?经过多次尝试和失败后,它终于可以工作了
If (RBLAudit.SelectedValue <> "") Then
p9 = New ReportParameter("State", RBLAudit.SelectedValue)
ElseIf (RBLAudit.SelectedValue = "") Then
p9 = New ReportParameter("State", New String() {Nothing})
End If
如果(RBLAudit.SelectedValue“”),则
p9=新报告参数(“状态”,RBLAudit.SelectedValue)
ElseIf(RBLAudit.SelectedValue=“”)然后
p9=新报告参数(“状态”,新字符串(){Nothing})
如果结束
还有其他想法吗?经过多次尝试和失败后,终于奏效了
If (RBLAudit.SelectedValue <> "") Then
p9 = New ReportParameter("State", RBLAudit.SelectedValue)
ElseIf (RBLAudit.SelectedValue = "") Then
p9 = New ReportParameter("State", New String() {Nothing})
End If
如果(RBLAudit.SelectedValue“”),则
p9=新报告参数(“状态”,RBLAudit.SelectedValue)
ElseIf(RBLAudit.SelectedValue=“”)然后
p9=新报告参数(“状态”,新字符串(){Nothing})
如果结束
还有别的想法吗