Creating new sql server table with c#

Question

I have this code to create new sql table when i execute this its shows me this error which is on screenshot. In my db there ise not such table. it shows this error any name of table. can anyone help me?

public void Create(string TName, string ConString)
    {
        try
        {
            using (SqlCommand cmd = new SqlCommand("CREATE TABLE [dbo].['" + TName + "']("
                            + "[ID] [int] IDENTITY(1,1) NOT NULL,"
                            + "[DateTime] [date] NOT NULL,"
                            + "[BarCode] [nvarchar](max) NOT NULL,"
                            + "[ArtNumber] [nvarchar](max) NOT NULL,"
                            + "[ProductName] [nvarchar](50) NOT NULL,"
                            + "[Quantity] [int] NOT NULL,"
                            + "[SelfPrice] [decimal](18, 2) NOT NULL,"
                            + "[Price] [decimal](18, 2) NOT NULL,"
                            + "[Disccount] [int] NULL,"
                            + "[Comment] [nvarchar](max) NULL,"
                            + "CONSTRAINT ['" + TName + "'] PRIMARY KEY CLUSTERED "
                            + "("
                            + "[ID] ASC"
                            + ")WITH (PAD_INDEX  = OFF, STATISTICS_NORECOMPUTE  = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS  = ON, ALLOW_PAGE_LOCKS  = ON) ON [PRIMARY]"
                            + ") ON [PRIMARY]", new SqlConnection(ConString)))
            {
                cmd.Connection.Open();
                cmd.ExecuteNonQuery();
                cmd.Connection.Close();
            }
        }
        catch (Exception)
        {

            throw;
        }
    }

Answer 1

You're using the same name for your table and its primary key. Try instead "CONSTRAINT ['pk_" + TName + "'] PRIMARY KEY CLUSTERED ".