64 lines
2.5 KiB
C#
64 lines
2.5 KiB
C#
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//------------------------------------------------------------------------------
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// <copyright file="DataControlPagerLinkButton.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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//------------------------------------------------------------------------------
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namespace System.Web.UI.WebControls {
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using System;
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using System.Drawing;
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using System.Web.Util;
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/// <devdoc>
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/// Derived version of LinkButton used within a DataControl.
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/// </devdoc>
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[SupportsEventValidation]
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internal class DataControlPagerLinkButton : DataControlLinkButton {
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internal DataControlPagerLinkButton(IPostBackContainer container) : base(container) {
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}
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public override bool CausesValidation {
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get {
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return false;
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}
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set {
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throw new NotSupportedException(SR.GetString(SR.CannotSetValidationOnPagerButtons));
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}
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}
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/// <devdoc>
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/// In HTML hyperlinks always use the browser's link color.
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/// For the DataControl, we want all LinkButtons to honor the ForeColor setting.
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/// This requires looking up into the control hierarchy to see if either the cell
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/// or the containing row or table define a ForeColor.
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/// </devdoc>
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protected override void SetForeColor() {
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if (ControlStyle.IsSet(System.Web.UI.WebControls.Style.PROP_FORECOLOR) == false) {
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Color hyperLinkForeColor;
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Control control = this;
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for (int i = 0; i < 6; i++) {
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control = control.Parent;
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// pager buttons are usually inside a table that's inside the pager row
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Debug.Assert(((i == 0) && (control is TableCell)) ||
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((i == 1) && (control is TableRow)) ||
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((i == 2) && (control is Table)) ||
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((i == 3) && (control is TableCell)) ||
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((i == 4) && (control is TableRow)) ||
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((i == 5) && (control is Table)));
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hyperLinkForeColor = ((WebControl)control).ForeColor;
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if (hyperLinkForeColor != Color.Empty) {
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ForeColor = hyperLinkForeColor;
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break;
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}
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}
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}
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}
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}
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}
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