The to functions all use a common calling convention: the first argument is the value to be formatted, and the. Using (SqlDataReader reader = cmd.ExecuteReader()) You can use the IBM Netezza SQL formatting functions to convert data types (date/time, integer, floating point, numeric) to formatted strings and to convert from formatted strings to specific data types. SqlParameter paramValue = new SqlDbType.Int) SqlParameter paramColumn = new SqlDbType.NVarChar, 128) Using (SqlCommand cmd = new SqlCommand("GetAllLine", conn))Ĭmd.CommandType = CommandType.StoredProcedure Using (SqlConnection conn = new SqlConnection("YourConnectionString")) The range of acceptable values is determined by the value of datatype. For more information, see CAST and CONVERT (Transact-SQL). style accepts the same values as the style parameter of the CONVERT function. WHERE ' + + N' = sp_executesql int', = static DataTable GetAll(string column, int value) Optional integer expression that specifies how the TRYCONVERT function is to translate expression. INNER JOIN Sheet AS s ON s.LineID = s.LineID expression expression is anything that will be converted. This example uses the CAST expression to convert a decimal to an. 1) Converting a decimal to an integer example example. Let’s take some examples of using the CAST expression.
SQL CONVERT STRING TO INT CODE
length It provides the length of the targettype. Code language: SQL (Structured Query Language) (sql) In this syntax, you specify the value and the data type to which you want to convert the value. INNER JOIN Line AS l ON l.LineID = j.LineID Syntax : SELECT CONVERT ( targettype ( length ), expression ) Parameters: targettype Data type to which the expression will be converted, e.g: INT, BIT, SQLVARIANT, etc. You need to use dynamic SQL to build your query and insert the column names into the query. In a SQL stored procedure, you cannot directly pass a column name as a parameter to a query, because it will be treated as a string instead of an actual column name. You're passing the column name as a string to the stored procedure, and then trying to compare it to an integer value within the stored procedure causes a type conversion error. The problem is with the column name parameter you pass. How Should I Pass String Column with Int Value to this SP? I want use one query with different column name to pass to this SP.Īfter run get this error: Conversion failed when converting the nvarchar value 'j.LineID' to data type int. This function takes two arguments: the string to be converted, and the. SqlCommand cmd = new SqlCommand(query, Connection.Conn) Īnd my command btn : DataTable dt = Test.GetAll("j.LineID", 2) The most common way to convert a string to a numeric value is to use the CAST() function. Public static DataTable GetAll(string column, int value) Inner join Sheet as s on s.LineID=s.LineID Inner join Line as l on l.LineID =j.LineID one for column name another for it's value. I have a SP that join 3 table and I pass two parameters to it. Dim MyInt, MyVar MyInt 4534 ' MyInt is an Integer. This example uses the CVar function to convert an expression to a Variant. MyString CStr(MyDouble) ' MyString contains '437.324'. Dim MyDouble, MyString MyDouble 437.324 ' MyDouble is a Double. I have a big problem with SP in sql server. This example uses the CStr function to convert a numeric value to a String.
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