I’m pretty sure that the problem is the space in the name of your Faculty Name column and that this has nothing to do with the use of AND or OR. Please try: sql = “Update [Sheet1$] set A1 = ‘a’ ” + “where Designation = ‘Prof(senior)’ and [Faculty Name] = ‘bob'”; 1 solved IF … Read more
I ended up going with a slightly different solution. The solution to the “Could not find installable ISAM” exception was to use the following: string EXTENDED_PROPERTIES = @”Extended Properties=””Text;HDR=YES;FMT=FixedLength;”””; The key to the solution is the “(s) around the “Extended Properties” values. I was able to populate the DataTable with the contents of the file, … Read more
You can use the ALTER TABLE Command: ALTER TABLE item ADD COLUMN picture varbinary 2 solved Add column to database
Question is :What if I want to call the stored procedure with just @a and @f, As long as other are optional SP will be executed without any errors. In this case do I need to Add other parameters also (b,c,d,e) anyway? No, you don’t. If I add just 2 parameters how stored procedure knows … Read more
You have not initialized MyDataTable by a data after instantiation, you have filled in data set but not a data table. So just try out MyDataSet.Tables[0] instead of MyDataTable.AsEnumerable() // DataSet filled in but data table still empty! MyDataAdapter.Fill(MyDataSet,”STUFF”); 1 solved Reading A Fixed Format Text File – Part 3
maybe you can try this code private void button1_Click(object sender, EventArgs e) { try { cmd = new OleDbCommand(); cmd.CommandType = CommandType.Text; cmd.CommandText = “INSERT INTO userinfo (FirstName, LastName, Age, Address, Course)” + “VALUES (@First_Name, @Last_Name, @Age, @Address, @Course)”; cmd.Parameters.AddWithValue(“@First_Name”, textBox1.Text); cmd.Parameters.AddWithValue(“@Last_Name”, textBox2.Text); cmd.Parameters.AddWithValue(“@Age”, textBox3.Text); cmd.Parameters.AddWithValue(“@Address”, textBox5.Text); cmd.Parameters.AddWithValue(“@Course”, textBox5.Text); cmd.Connection = conn; conn.Open(); clear(); cmd.ExecuteNonQuery(); … Read more