Cannot implicitly convert type

Question

This is my line.
TextBox txtSingleUnitPrice = ((TextBox)gvSender.Rows[e.RowIndex].FindControl("txtSingleUnitPrice"))?(TextBox)gvSender.Rows[e.RowIndex].FindControl("txtSingleUnitPrice"):0;
Error name is  Cannot implicitly convert type 'System.Web.UI.WebControls.TextBox' to 'bool'..Please Help me.How to correct this error

aravinth kandasamy · Answer

When i use THis query ( TextBox txtSingleUnitPrice = ((TextBox)gvSender.Rows[e.RowIndex].FindControl("txtSingleUnitPrice")) ? (TextBox)gvSender.Rows[e.RowIndex].FindControl("txtSingleUnitPrice") : 0 as TextBox;) That time This error was produced please help me

Vithal Wadje · Answer

try like this
TextBox txtSingleUnitPrice = ((TextBox)gvSender.Rows[e.RowIndex].FindControl("txtSingleUnitPrice"))?(TextBox)gvSender.Rows[e.RowIndex].FindControl("txtSingleUnitPrice"):0 as TextBox ;