将对象列表传递到SQL Server存储过程并使用asp.net核心插入记录
我正在处理asp.net应用程序。我正在使用ado.net来访问SQL Server数据库并执行CRUD。我想一次插入多个记录。为此,我在数据库中添加了一个自定义类型和如下存储过程:
I am working on asp.net application. I am using ado.net to access the SQL Server database and perform CRUD. I want to insert multiple records in one go. For this purpose, I have added a custom Type in database and a stored procedure like this:
CREATE TYPE [dbo].[UserTableType] AS TABLE
(
[FirstName] [nvarchar](100) NULL,
[LastName] [nvarchar](100) NULL,
[UserName] [nvarchar](100) NULL,
[Password] [nvarchar](100) NULL,
[IsActive] [bit] NULL,
[IsDeleted] [bit] NULL,
[CreatedBy] [int] NULL,
[CreatedAt] [datetime] NULL,
[UpdatedBy] [int] NULL,
[UpdatedAt] [datetime] NULL,
[Email] [nvarchar](100) NULL
)
GO
存储过程是这样的:
CREATE PROCEDURE [dbo].[sp_InsertUser]
@UserTableType UserTableType READONLY
AS
BEGIN
INSERT INTO tblUser
SELECT * FROM UserTableType
END
并且在C#中,我正在使用以下代码:
and in C#, I am using this code:
public void CreateMultipleUser()
{
var cs = "Server=.;Database=Clicon;Trusted_Connection=True;";
using (SqlConnection con = new SqlConnection(cs))
{
SqlCommand cmd = new SqlCommand("exec sp_InsertUser @UserTableType", con);
var pList = new SqlParameter("@UserTableType", SqlDbType.Structured);
pList.TypeName = "dbo.UserTableType";
pList.Value = GetAddUserList();
cmd.Parameters.Add(pList);
con.Open();
cmd.ExecuteNonQuery();
con.Close();
}
}
,此函数可创建 SqlDataRecord 并传递到存储过程:
and this function to create a List of SqlDataRecord
and pass to stored procedure:
private List<SqlDataRecord> GetAddUserList()
{
List<SqlDataRecord> datatable = new List<SqlDataRecord>();
SqlMetaData[] sqlMetaData = new SqlMetaData[11];
sqlMetaData[0] = new SqlMetaData("FirstName", SqlDbType.VarChar, 100);
sqlMetaData[1] = new SqlMetaData("LastName", SqlDbType.VarChar, 100);
sqlMetaData[2] = new SqlMetaData("UserName", SqlDbType.VarChar, 100);
sqlMetaData[3] = new SqlMetaData("Password", SqlDbType.VarChar, 100);
sqlMetaData[4] = new SqlMetaData("isActive", SqlDbType.Bit);
sqlMetaData[5] = new SqlMetaData("isDeleted", SqlDbType.Bit);
sqlMetaData[6] = new SqlMetaData("CreatedBy", SqlDbType.Int);
sqlMetaData[7] = new SqlMetaData("CreatedAt", SqlDbType.DateTime);
sqlMetaData[8] = new SqlMetaData("UpdatedBy", SqlDbType.Int);
sqlMetaData[9] = new SqlMetaData("UpdatedAt", SqlDbType.DateTime);
sqlMetaData[10] = new SqlMetaData("Email", SqlDbType.VarChar, 100);
SqlDataRecord row = new SqlDataRecord(sqlMetaData);
row = new SqlDataRecord(sqlMetaData);
row.SetValues(new object[] { "Asif", "hameed", "asif371", "123", true,false,1,DateTime.Now,1,DateTime.Now, "asif1@gmail.com" });
datatable.Add(row);
row = new SqlDataRecord(sqlMetaData);
row.SetValues(new object[] { "Asif1", "hameed1", "asif372", "123", true, false, 1, DateTime.Now, 1, DateTime.Now, "asif2@gmail.com" });
datatable.Add(row);
row = new SqlDataRecord(sqlMetaData);
row.SetValues(new object[] { "Asif2", "hameed2", "asif373", "123", true, false, 1, DateTime.Now, 1, DateTime.Now, "asif3@gmail.com" });
datatable.Add(row);
row = new SqlDataRecord(sqlMetaData);
row.SetValues(new object[] { "Asif4", "hameed4", "asif375", "123", true, false, 1, DateTime.Now, 1, DateTime.Now, "asif5@gmail.com" });
datatable.Add(row);
row = new SqlDataRecord(sqlMetaData);
row.SetValues(new object[] { "Asif5", "hameed4", "asif376", "123", true, false, 1, DateTime.Now, 1, DateTime.Now, "asif6@gmail.com" });
datatable.Add(row);
return datatable;
}
但我遇到了这个异常:
System.Data.SqlClient.SqlException类型的异常发生在System.Data.SqlClient.dll中,但未在用户代码中处理
An exception of type 'System.Data.SqlClient.SqlException' occurred in System.Data.SqlClient.dll but was not handled in user code
其他信息:无效的对象名'UserTableType'
Additional information: Invalid object name 'UserTableType'
请为此提出解决方案。
您是在Type定义中选择的,而不是参数。尝试以下操作:
You are selecting from the Type definition, not the parameter. Try this:
CREATE PROCEDURE [dbo].[sp_InsertUser]
-- Add the parameters for the stored procedure here
@UserTableType UserTableType READONLY
AS
BEGIN
INSERT INTO tblUser
SELECT * FROM @UserTableType
END