private void FillData() { aDepartmentDataTable = aDepartmentBusinessLogic.FillDepartment(); departmentDropDownList.DataTextField = "DepartmentName"; departmentDropDownList.DataValueField = "DepartmentId"; departmentDropDownList.DataSource = aDepartmentDataTable; departmentDropDownList.DataBind(); aStateDataTable = aAddPatientBusinessLayer.AddPtientBusinessLogicFillState(); stateDropDownList.DataTextField = aStateDataTable.Columns[0].ToString(); stateDropDownList.DataSource = aStateDataTable; stateDropDownList.DataBind(); aPlanDataTable = aAddPatientBusinessLayer.AddPtientBusinessLogicFillPlan(); planDropDownList.DataTextField = aPlanDataTable.Columns[0].ToString(); planDropDownList.DataSource = aPlanDataTable; planDropDownList.DataBind(); }