What does executescalar return

Therefore, floating point is not the integer datatype. Numeric data types are numbers stored in database columns. Approximate numeric types, values where the precision needs to be preserved and the scale can be floating. If the row does not exist, the result of command. ExecuteScalar is null, which is then casted to a null string and assigned to getusername.

If the Result Set is empty it will return a Null reference. Your email address will not be published. ExecuteReader While reader. It can return any number of records. We have to call the Read method to read data from result set.

ExecuteScalar is typically used when your query returns a single value. By Naitik Jani in. NET on Apr 14 Apr, Jun, ExecuteNonQuery returns : the number of rows affected ExecuteScaler returns : the first column of first row 3.

Jul, May, ExecuteScalar return type is object type. ExecuteNonQuery return type is Int32 type 1. Sep, 3. Nov, Aug, Jun, 3. ExecuteNonQuery returns : the number of rows affected ExecuteScaler returns : the first column of first row 0.

Return Value of ExecuteScalar is System. May, 6. Developer Programmer Sr. Developer Sr. Why do you want to leave your current company? 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 Can multiple catch blocks be executed in a C program? Return type is object. Return value is compulsory and should be assigned to a variable of required type. Posted 3-Mar am Mukesh Bhagat. Add your solution here. OK Paste as. Treat my content as plain text, not as HTML.

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