C# 当我单击按钮时,会显示此错误。帮我解决这个错误。我想把数据保存在两个表中
子查询返回了多个值。这是不允许的,因为 子查询后面是=,!=,=或者当子查询用作 表情 我的aspx代码是C# 当我单击按钮时,会显示此错误。帮我解决这个错误。我想把数据保存在两个表中,c#,sql,asp.net,C#,Sql,Asp.net,子查询返回了多个值。这是不允许的,因为 子查询后面是=,!=,=或者当子查询用作 表情 我的aspx代码是 protected void txtsave_Click(object sender, EventArgs e) { try { SqlCommand cmd = new SqlCommand("Insert_MainTable", con); cmd.CommandType = CommandType.St
protected void txtsave_Click(object sender, EventArgs e)
{
try
{
SqlCommand cmd = new SqlCommand("Insert_MainTable", con);
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.AddWithValue("@Name", txtname.Text);
cmd.Parameters.AddWithValue("@Addr", txtaddr.Text);
cmd.Parameters.AddWithValue("@Qual", txtqual.Text);
cmd.Parameters.AddWithValue("@Dob", txtdob.Text);
con.Open();
cmd.ExecuteNonQuery();
con.Close();
}
catch { }
}
}
我的程序是
USE [Harish]
GO
/****** Object: StoredProcedure [dbo].[Insert_MainTable] Script Date: 24-12-2015 16:36:19 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
ALTER procedure [dbo].[Insert_MainTable]
@Name varchar(50),
@Addr varchar(50),
@Qual varchar(50),
@Dob varchar(50)
as begin
insert into MainPracticeTable(Name,Addr) values(@Name,@Addr)
declare @Eid int
set @Eid=(select Id from MainPracticeTable where Name=@Name)
insert into PracticeTable(Eid,Qual,Dob)values(@Eid,@Qual,@Dob)
end
提前谢谢。此语句返回多行
select Id from MainPracticeTable where Name=@Name
因此,要么修复你的where
子句,要么用orderby
添加top
关键字
set @Eid=(select TOP 1 Id from MainPracticeTable where Name=@Name order by somecol)
或
此语句返回多行
select Id from MainPracticeTable where Name=@Name
因此,要么修复你的where
子句,要么用orderby
添加top
关键字
set @Eid=(select TOP 1 Id from MainPracticeTable where Name=@Name order by somecol)
或
@HarishSangwan-如果有帮助,您需要将其标记为答案you@HarishSangwan-如果这对您有帮助,您需要将其标记为答案