[英]Inserting information from ASP.NET web page to Database
我試圖允許用戶使用教科書和下拉菜單輸入員工信息。 由於目前無法看到的某些原因,它無法正確插入數據庫中。 我嘗試了SqlCommandMode中的所有查詢,它們都正常工作,但是那是在使用函數中的參數之前的。 這是DBconn.cs頁面中的代碼
public void insertEmployeeInfo(string firstName, string middleName, string lastName, string address1, string address2, string city, string postalCode, string state)
{
SqlConnection conn = new SqlConnection(strConnString);
string sql1 = "INSERT INTO Person.BusinessEntity(ModifiedDate) VALUES (GETDATE())";
string sql2 = "INSERT INTO Person.Person (ModifiedDate, BusinessEntityID, PersonType, Title, FirstName, MiddleName, LastName, Suffix) VALUES (GETDATE(), (SELECT MAX(PB.BusinessEntityID) AS IDNUM FROM PErson.BusinessEntity AS PB), 'EM', @title, @firstName, @lastName, @suffix)";
string sql3 = "INSERT INTO Person.Address (AddressLine1, AddressLine2, City, StateProvinceID, PostalCode, ModifiedDate) VALUES (@address1, @address2, @city, @postalCode, (SELECT StateProvinceID FROM Person.StateProvince WHERE StateProvinceCode=@state))";
try
{
conn.Open();
SqlCommand cmd1 = new SqlCommand(sql1, conn);
SqlCommand cmd2 = new SqlCommand(sql2, conn);
SqlCommand cmd3 = new SqlCommand(sql3, conn);
SqlParameter[] personParams = new SqlParameter[3];
SqlParameter[] addressParams = new SqlParameter[5];
//Params for inserts into Person.Person
personParams[0] = new SqlParameter("@firstName", SqlDbType.VarChar, 50);
personParams[1] = new SqlParameter("@middleName", SqlDbType.VarChar, 50);
personParams[2] = new SqlParameter("@lastName", SqlDbType.VarChar, 50);
//Params for inserts into Person.Address
addressParams[0] = new SqlParameter("@address1", SqlDbType.VarChar, 50);
addressParams[1] = new SqlParameter("@address2", SqlDbType.VarChar, 50);
addressParams[2] = new SqlParameter("@city", SqlDbType.VarChar, 50);
addressParams[3] = new SqlParameter("@postalCode", SqlDbType.VarChar, 50);
addressParams[4] = new SqlParameter("@state", SqlDbType.VarChar, 50);
personParams[0].Value = firstName;
personParams[1].Value = middleName;
personParams[2].Value = lastName;
addressParams[0].Value = address1;
addressParams[1].Value = address2;
addressParams[2].Value = city;
addressParams[3].Value = postalCode;
addressParams[4].Value = state;
//insert ModifiedDate into Person.BusinessEntity
cmd1.CommandType = CommandType.Text;
cmd1.ExecuteNonQuery();
for (int i = 0; i < personParams.Length; i++)
{
cmd2.Parameters.Add(personParams[i]);
}
//insert new employee name information into Person.Person
cmd2.CommandType = CommandType.Text;
cmd2.ExecuteNonQuery();
for (int i = 0; i < addressParams.Length; i++)
{
cmd3.Parameters.Add(addressParams[i]);
}
//insert new employee address information
cmd3.CommandType = CommandType.Text;
cmd3.ExecuteNonQuery();
}
catch (System.Data.SqlClient.SqlException ex)
{
string msg = "Insert Error:";
msg += ex.Message;
throw new Exception(msg);
}
finally
{
conn.Close();
}
}
然后這就是我用來在page.aspx.cs頁面的按鈕單擊上調用sql的內容
protected void Insert_Click(object sender, EventArgs e)
{
dbcon.insertEmployeeInfo(TxtFirstName.Text, TxtMiddleName.Text, TxtLastName.Text, TxtAddress1.Text, TxtAddress2.Text, TxtCity.Text, TxtPostalCode.Text, State.Text);
Response.Write("Record was successfully added!");
}
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