我讀過所有與此有關的帖子,但無法弄清楚。我試圖從表單插入到數據庫中,但是當我點擊提交按鈕並將BookingName傳遞給後面的代碼時,我得到「關鍵字不支持:'元數據'」。我想我的問題是在web.config。任何幫助真的會被讚賞。仍然得到的.NET試圖在數據庫中插入但不斷獲取關鍵字不支持:'元數據'
掛起這裏的錯誤:
說明:未處理的異常當前Web請求的執行過程中發生。請查看堆棧跟蹤以獲取有關該錯誤的更多信息以及源代碼的位置。
異常詳細信息: System.ArgumentException:不支持的關鍵字:'metadata'。
源錯誤:
Line 20: {
Line 21: string connString = System.Configuration.ConfigurationManager.ConnectionStrings["CateringAuthorizationEntities"].ConnectionString;
Line 22: SqlConnection conn = new SqlConnection(connString);
Line 23: string sql = "INSERT INTO tbBooking (BookingName) VALUES "
Line 24: + " (@BookingName)";
C#代碼:
private void ExecuteInsert(string name)
{
string connString = System.Configuration.ConfigurationManager.ConnectionStrings["CateringAuthorizationEntities"].ConnectionString;
SqlConnection conn = new SqlConnection(connString);
string sql = "INSERT INTO tbBooking (BookingName) VALUES "
+ " (@BookingName)";
try
{
conn.Open();
SqlCommand cmd = new SqlCommand(sql, conn);
SqlParameter[] param = new SqlParameter[1];
//param[0] = new SqlParameter("@id", SqlDbType.Int, 20);
param[0] = new SqlParameter("@BookingName", System.Data.SqlDbType.VarChar, 50);
param[0].Value = name;
for (int i = 0; i < param.Length; i++)
{
cmd.Parameters.Add(param[i]);
}
cmd.CommandType = System.Data.CommandType.Text;
cmd.ExecuteNonQuery();
}
catch (System.Data.SqlClient.SqlException ex)
{
string msg = "Insert Error:";
msg += ex.Message;
throw new Exception(msg);
}
finally
{
conn.Close();
}
}
protected void BtnCatering_Click(object sender, EventArgs e)
{
if (Page.IsValid)
{
//call the method to execute insert to the database
ExecuteInsert(BookingName.Text);
Response.Write("Record was successfully added!");
}
}
的Web.Config:
<connectionStrings>
<add name="ApplicationServices" connectionString="data source=.\SQLEXPRESS;Integrated Security=SSPI;AttachDBFilename=|DataDirectory|\aspnetdb.mdf;User Instance=true" providerName="System.Data.SqlClient"/>
<add name="CateringAuthorizationEntities" connectionString="metadata=res://*/App_Code.CateringAuthorization.csdl|res://*/App_Code.CateringAuthorization.ssdl|res://*/App_Code.CateringAuthorization.msl;provider=System.Data.SqlClient;provider connection string="data source=xxxxxx;initial catalog=CateringAuthorization;integrated security=True;multipleactiveresultsets=True;App=EntityFramework"" providerName="System.Data.EntityClient"/>
你能後的異常詳細信息? –
@ M.Babcock System.ArgumentException:不支持的關鍵字:'metadata'。你想要堆棧跟蹤? – user1431633