有这样一个语句,我在aaa.aspx.vb里不出错,但由于我打算建立一个类,把它COPY到bbb.vb里出报错,信息如下:
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编译错误
说明: 在编译向该请求提供服务所需资源的过程中出现错误。请检查下列特定错误详细信息并适当地修改源代码。 编译器错误信息: BC30451: 未声明名称“Response”。
-----------------------报错语句为:
Response.Write("<script language=javascript>alert('登陆成功!当前用户" & Username & "');</script>")------------------------------------------------------
现我将这两个文件源码COPY出来,请各位帮忙:
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执行正常的文件:aaa.aspx.vbImports System.Data
Imports System.Data.SqlClient
Imports LoginCheckPartial Class _Default
Inherits System.Web.UI.Page Public txtSQL As String '存放SQL语句
Public DBSet As DataSet '查询得到的记录集
Public ErrorMsg As String '存放错误信息 Protected Sub BtnLogin_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles BtnLogin.Click
DBSet = New DataSet
Dim TxtSql = "select * from users where accounts = '" & TxtUsername.Text & "'"
DBSet = ExecuteSQL(TxtSql, ErrorMsg) If DBSet.Tables(0).Rows.Count = 0 Then
Response.Write("<script language=javascript>alert('登陆失败:用户名不存在!');</script>")
Else
If DBSet.Tables(0).Rows(0)("password") = TxtPassword.Text Then '校验登陆密码
Response.Write("<script language=javascript>alert('登陆成功!当前用户" & TxtUsername.Text & "');</script>")
Else
Response.Write("<script language=javascript>alert('登陆失败" & TxtUsername.Text & "');</script>")
End If
End If
End Sub
End Class
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--------------------------------------
执行出错的文件:bbb.vb
Imports Microsoft.VisualBasic
Imports System.Data
Imports System.Data.SqlClient
Imports Class_SqlConnPublic Class LoginCheck
Public Shared Function UserPopedom(ByVal Username As String, ByVal Password As String) As Array
Dim DBSet As DataSet
Dim TxtSql, ErrorMsg As String DBSet = New DataSet
TxtSql = "select * from users where accounts = '" & Username & "'"
DBSet = ExecuteSQL(TxtSql, ErrorMsg) If DBSet.Tables(0).Rows.Count = 0 Then
Response.Write("<script language=javascript>alert('登陆失败:用户名不存在!');</script>") Else
If DBSet.Tables(0).Rows(0)("password") = Password Then '校验登陆密码
Response.Write("<script language=javascript>alert('登陆成功!当前用户" & Username & "');</script>")
Else
Response.Write("<script language=javascript>alert('登陆失败" & Password & "');</script>")
End If
End If
End Function
End Class当执行到Response.write时出错。
-----------------------
编译错误
说明: 在编译向该请求提供服务所需资源的过程中出现错误。请检查下列特定错误详细信息并适当地修改源代码。 编译器错误信息: BC30451: 未声明名称“Response”。
-----------------------报错语句为:
Response.Write("<script language=javascript>alert('登陆成功!当前用户" & Username & "');</script>")------------------------------------------------------
现我将这两个文件源码COPY出来,请各位帮忙:
------------------------------------------------------
执行正常的文件:aaa.aspx.vbImports System.Data
Imports System.Data.SqlClient
Imports LoginCheckPartial Class _Default
Inherits System.Web.UI.Page Public txtSQL As String '存放SQL语句
Public DBSet As DataSet '查询得到的记录集
Public ErrorMsg As String '存放错误信息 Protected Sub BtnLogin_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles BtnLogin.Click
DBSet = New DataSet
Dim TxtSql = "select * from users where accounts = '" & TxtUsername.Text & "'"
DBSet = ExecuteSQL(TxtSql, ErrorMsg) If DBSet.Tables(0).Rows.Count = 0 Then
Response.Write("<script language=javascript>alert('登陆失败:用户名不存在!');</script>")
Else
If DBSet.Tables(0).Rows(0)("password") = TxtPassword.Text Then '校验登陆密码
Response.Write("<script language=javascript>alert('登陆成功!当前用户" & TxtUsername.Text & "');</script>")
Else
Response.Write("<script language=javascript>alert('登陆失败" & TxtUsername.Text & "');</script>")
End If
End If
End Sub
End Class
--------------------------------------
--------------------------------------
执行出错的文件:bbb.vb
Imports Microsoft.VisualBasic
Imports System.Data
Imports System.Data.SqlClient
Imports Class_SqlConnPublic Class LoginCheck
Public Shared Function UserPopedom(ByVal Username As String, ByVal Password As String) As Array
Dim DBSet As DataSet
Dim TxtSql, ErrorMsg As String DBSet = New DataSet
TxtSql = "select * from users where accounts = '" & Username & "'"
DBSet = ExecuteSQL(TxtSql, ErrorMsg) If DBSet.Tables(0).Rows.Count = 0 Then
Response.Write("<script language=javascript>alert('登陆失败:用户名不存在!');</script>") Else
If DBSet.Tables(0).Rows(0)("password") = Password Then '校验登陆密码
Response.Write("<script language=javascript>alert('登陆成功!当前用户" & Username & "');</script>")
Else
Response.Write("<script language=javascript>alert('登陆失败" & Password & "');</script>")
End If
End If
End Function
End Class当执行到Response.write时出错。
Response.Write("<script language=javascript>alert('登陆成功!当前用户" & Username & "');</scr"&"ipt>")建议你用RegisterStarupScript方法
xiahouwen(武眉博<活靶子.NET>) :行不通,还是相同的出错;amandag(高歌)
Imports“system.Web.HttpContext.Response.Write”中指定的命名空间或类型不包含任何公共成员,或者找不到该命名空间或类型。要确保定义了该命名空间或类型且其中至少包含一个公共成员;还要确保导入的元素名不使用任何别名
如果只写“system.Web.HttpContext”就没有这个错误,但是原来的问题还是没有解决。
RegisterStarupScrip 错误:未声明名称,和我用response.write一样的错误提示;