C# @SourceTableParam？我尝试使用EXEC（'SELECT*从'+@tablenameparm'进入到testbl），但其他引用失败，因为testbl参数未声明以表名作为参数执行上述操作。请注意“SELECT*”后面的空格 SqlConnect

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@SourceTableParam？我尝试使用

EXEC（'SELECT*从'+@tablenameparm'进入到testbl）

，但其他引用失败，因为

testbl

参数未声明以表名作为参数执行上述操作。请注意“SELECT*”后面的空格

SqlConnection sqlConnection = getDBConnection();
SqlCommand command = sqlConnection.CreateCommand();

command.CommandType = System.Data.CommandType.StoredProcedure;
command.CommandText = "[dbo].[saveDataIntoTable]";

SqlParameter parameter = new SqlParameter();

//The parameter for the SP must be of SqlDbType.Structured
parameter.ParameterName = "@Sample";
parameter.SqlDbType = System.Data.SqlDbType.Structured;
parameter.Value = dataTable;

command.Parameters.Add(parameter);

        foreach (DataRow row in dataTable.Rows)
        {
            System.Diagnostics.Debug.WriteLine(row.ItemArray);
            if (row.ItemArray[0] == null)
            {
                dataTable.Rows.Remove(row);
            }
        }

SqlDataReader dr = command.ExecuteReader();
DataTable dt = new DataTable();
dt.Load(dr);

//handling the dt DataTable here

select USER_ID, EMAIL,PASSWORD,PASSWORD_HINT,PWD_CHANGED_DATE,
       CREATED_BY,CREATED_DATE,UPDATED_BY,UPDATED_DATE,STATUS,VERSION,VALIDATE
from @Sample S
where USER_ID is not null
and EMAIL is not null
and PASSWORD is not null -- etc
-- check record is not duplicate
and not exists (select 1 from [USER] U where U.USER_ID = S.USER_ID)
and isnumeric(USER_ID)

--create copy of source table
SELECT * INTO TempTbl FROM Source_Table
--loop through temp table
WHILE EXISTS (SELECT * FROM TempTbl)
BEGIN
--insert first line of temp table into destination table
BEGIN TRY 
INSERT INTO [USER] SELECT TOP (1) * FROM TempTbl
END TRY
BEGIN CATCH
SELECT TOP(1) FROM TempTbl
END CATCH
--remove inserted line from temp table
DELETE TOP (1) FROM TempTbl
END
DROP TABLE TempTbl

CREATE PROCEDURE SOProc 
    -- Add the parameters for the stored procedure here
    @Source_Table_Name sysname = '' 
AS
BEGIN
EXEC(
'SELECT * INTO TempTbl FROM ' +  @Source_Table_Name)
WHILE EXISTS (SELECT * FROM TempTbl)
BEGIN
BEGIN TRY 
INSERT INTO User_Table SELECT TOP (1) * FROM TempTbl
END TRY
BEGIN CATCH
SELECT TOP(1) * FROM TempTbl
END CATCH
DELETE TOP (1) FROM TempTbl
END
DROP TABLE TempTbl
END
GO