Question : mssql - I need to build multiple where conditions in a select statement using asp.net

iI need to know how to construct an mssql query where there is multiple conditions

<asp:TextBox ID="Year" runat="server" Text='<%# Bind("Year") %>'
<asp:TextBox ID="Model" runat="server" Text='<%# Bind("Year") %>'
<asp:TextBox ID="Make" runat="server" Text='<%# Bind("Year") %>'
<asp:TextBox ID="MilesHours" runat="server" Text='<%# Bind("MilesHours")
<asp:TextBox ID="Description" TextMode="MultiLine" Width="300" rows="5"
<asp:TextBox ID="Location" Width="300" runat="server" Text='<%# Bind
<asp:TextBox ID="Price" runat="server" Text='<%# Bind("Price") %

Answer : mssql - I need to build multiple where conditions in a select statement using asp.net

once you pass those parameters as variables to SQL then you can do something like this:

                       
             select ... from yourtable
where 	(@year is null or [year] = @year) and
	(@Model is null or Model = @model) and
	(@make is null or make = @make) and
	.... and so on ....

Question : mssql - I need to build multiple where conditions in a select statement using asp.net

Answer : mssql - I need to build multiple where conditions in a select statement using asp.net

once you pass those parameters as variables to SQL then you can do something like this: 1: 2: 3: 4: 5: select ... from yourtable where (@year is null or [year] = @year) and (@Model is null or Model = @model) and (@make is null or make = @make) and .... and so on ....

once you pass those parameters as variables to SQL then you can do something like this:

1: 2: 3: 4: 5:

select ... from yourtable where (@year is null or [year] = @year) and (@Model is null or Model = @model) and (@make is null or make = @make) and .... and so on ....