I want to know how to use QueryStrings in ASP.net for transferring the data one page to another page . please help me any one

how to Delete Duplicate Rows from a Table in SQL Server if we have multiple same record in a table then delete second Duplicate row.

i want to insert delete update data in windows form please help me with code in vb.net

I want to calculate total amount of each customer in sql. how to write sql query please help me.

i want to Convert Rows to columns using 'Pivot' in SQL Server. please help me.

I want to send server side data by using web method without post back in asp.net. how to do this please help me.

I want to open bootstrap modal popup on button click please help me how to do this.

I want to pass out parameter in c# method how to do this please help me.

I want to insert, update, delete operation in asp.net with grid view how to complete this please help me with code.

I want to insert update delete in FormView in asp.net . how to use this operation please help me any one.