ERROR [HY000] [MySQL][ODBC5.1Driver][mysqld-5.7.36-39-log] OUTorINOUT argument2forroutine Sql1705329_1.prima_spisnota variableorNEW pseudo-variableinBEFORE trigger How to do resolve this? sProc CREATEDEFINER=`r
In this blog, I will explain the ExecuteReader, ExecuteNonQuery, and Executescalar in ADO.Net. ExecuteNonQuery ExecuteNonQuery method is used to execute SQL Command or the stored procedure performs INSERT, UPDATE, or Delete operations. It doesn't return any data from the database. Instead, it re...
In situations where the Result Set contains multiple columns or rows, the ExecuteScalar() method focuses solely on extracting the value found in the first column of the first row, disregarding all other values. If the Result Set is empty, the method will return a NULL reference. The Execute...
SqlConnection con=new SqlConnection(连接字符串);string sql="select (select isnull(sum(totalquantity),0) from c_inv_transaction where item_id =" + str + " and lot_No ='" + text + "' and transactionType = 'IN') - (select isnull(sum(totalquantity),0) from c_inv_trans...
DECLARE @xml XML = ‘ <Devs> <lang name=”VB.NET”/> <lang name=”C#...
In your codes, you have to open the connection before you execute sql command.Moreover, you don't need to set the property "Connection" of "cmd" to the connection variable "con" again as you have already passed "con" as a parameter of the constructor for SqlCommand....
What are the advantages of using REST in Web API? What is ASP.NET Core? How to iterate through ArrayList in jQuery? What is the difference between TempData keep() and peek() function? A class provides a default constructor for me. I write a constructor that takes a string as....
Access QueryString Object in ASPX Page Access Session from static method/static class? Access sessions value from another project within the same solution. Access to the path 'c:\inetpub\wwwroot\images\a.jpg' is denied. Need Help Access to the path 'c:\inetpub\wwwroot\images\temp' is denied...
If you observe above code I written select query like getting all the data fromUserInfromationtable but whenever we click on button we are getting only one value (First Row First Column value) and ignoring other row and column values.
specified cast is not valid error in executescalar. Nov 17 '05, 12:23 PM hi all i am having application which is connecting to databset and executing one query as below:- string str; str="select count(*) from table1; and then i am using sqlcommand to get result as below:- long...