Question

        SqlConnection con = new SqlConnection();
        con.ConnectionString = @"Data Source=MYDATASOURCE";
        con.Open();

        SqlCommand cmd = new SqlCommand();
        cmd.CommandText = "Insert into [Voorraad] values(@IngredientID, 
        @AantalInVoorraad, @MinimumVoorraad";
        cmd.Parameters.AddWithValue("@IngredientID", txt_ID.Text);
        cmd.Parameters.AddWithValue("@AantalInVoorraad", txt_aantal.Text);
        cmd.Parameters.AddWithValue("@MinimumVoorraad", txt_minimum.Text);
        cmd.Connection = con;
        cmd.ExecuteNonQuery();
        cmd.Parameters.Clear();
        cmd.CommandText = "insert into [Ingredient] values(@IngredientID, @IngredientNaam";
        cmd.Parameters.AddWithValue("@IngredientID", txt_ID.Text);
        cmd.Parameters.AddWithValue("@IngredientNaam", txt_ingredient.Text);
        cmd.ExecuteNonQuery();

我想将数据插入表Voorraad和Ingredient。在Voorraad表格中，必须先将IngredientID，AantalInVoorraad，MinimumVoorraad和Categorie放入表格中。

在表中，必须有一个新的Ingredientnaam。当我填写文本框并点击按钮插入后，我得到错误： System.Data.SqlClient.SqlException：＆＃39; @ MinimumVoorraad＆＃39;附近的语法不正确。＆＃39; 请帮帮我！

        I've edited to this:
       SqlConnection con = new SqlConnection();
        con.ConnectionString = @"Data Source=
        con.Open();

        SqlCommand cmd = new SqlCommand();
        cmd.CommandText = "Insert into [Voorraad] values(@IngredientID, 
        @AantalInVoorraad, @MinimumVoorraad)";
        cmd.Parameters.AddWithValue("@IngredientID", txt_ID.ID);
        cmd.Parameters.AddWithValue("@AantalInVoorraad", txt_aantal.Text);
        cmd.Parameters.AddWithValue("@MinimumVoorraad", txt_minimum.Text);
        cmd.Connection = con;
        cmd.ExecuteNonQuery();
        cmd.Parameters.Clear();
        cmd.CommandText = "insert into [Ingredient] values(@IngredientID, 
         @IngredientNaam)";
        cmd.Parameters.AddWithValue("@IngredientID", txt_ID.ID);
        cmd.Parameters.AddWithValue("@IngredientNaam", txt_ingredient.Text);
        cmd.ExecuteNonQuery();

有没有人知道将数据插入数据库中的多个表的另一种方法？我在整个互联网上搜索了答案，但我找不到合适的解决方案。

Answer 1

Introducing ASP.NET Web Pages - Entering Database Data by Using Forms

cmd.CommandText = "Insert into [Voorraad] (IngredientID, AantalInVoorraad, MinimumVoorraad) values(@IngredientID, @AantalInVoorraad, @MinimumVoorraad)";

和

cmd.CommandText = "insert into [Ingredient] (IngredientID, IngredientNaam) values(@IngredientID, @IngredientNaam)";

Answer 2

您的插入语句缺少值的结束括号。

为SQlConnection和SQLCommand添加using语句，将使其更易于阅读和调试。

        using (SqlConnection con = new SqlConnection(@"Data Source=MYDATASOURCE"))
        {
           con.Open();

           using(SqlCommand cmd = new SqlCommand(
    "Insert into [Voorraad] values(@IngredientID, @AantalInVoorraad, @MinimumVoorraad)", con))
           {
               cmd.Parameters.AddWithValue("@IngredientID", txt_ID.Text);
               cmd.Parameters.AddWithValue("@AantalInVoorraad", txt_aantal.Text);
               cmd.Parameters.AddWithValue("@MinimumVoorraad", txt_minimum.Text);
               cmd.ExecuteNonQuery();
           }

           using(SqlCommand cmd = new SqlCommand(
    "insert into [Ingredient] values(@IngredientID, @IngredientNaam)", con))
           {
              cmd.Parameters.AddWithValue("@IngredientID", txt_ID.Text);
              cmd.Parameters.AddWithValue("@IngredientNaam", txt_ingredient.Text);
              cmd.ExecuteNonQuery();
           }
        }

我想使用sql和asp.Net将数据插入两个表

2 个答案: